Home / 6,102,126.77-8,420,378.15-3,620,919.83

Finding the Fourth Proportional to 6,102,126.77, 8,420,378.15 and 3,620,919.83

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Solution

The fourth proportional to 6,102,126.77, 8,420,378.15 and 3,620,919.83 is: 4,996,538.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,102,126.77 : 8,420,378.15 = 3,620,919.83 : x
  2. Step 2: Convert to fraction form
    6,102,126.77/8,420,378.15 = 3,620,919.83/x
  3. Step 3: Cross multiply
    6,102,126.77x = 8,420,378.15 × 3,620,919.83
  4. Step 4: Simplify right side
    6,102,126.77x = 30,489,514,186,384.12
  5. Step 5: Solve for x
    x = 30,489,514,186,384.12/6,102,126.77
  6. Step 6: Final answer
    x = 4,996,538.97

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Half scale
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Double scale
Find fourth proportional to 6,102,127.77, 8,420,379.53 and 3,620,920.83
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.