Home / 6,520,371.70-9,780,557.55-1,728,051.70

Finding the Fourth Proportional to 6,520,371.70, 9,780,557.55 and 1,728,051.70

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Solution

The fourth proportional to 6,520,371.70, 9,780,557.55 and 1,728,051.70 is: 2,592,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,371.70 : 9,780,557.55 = 1,728,051.70 : x
  2. Step 2: Convert to fraction form
    6,520,371.70/9,780,557.55 = 1,728,051.70/x
  3. Step 3: Cross multiply
    6,520,371.70x = 9,780,557.55 × 1,728,051.70
  4. Step 4: Simplify right side
    6,520,371.70x = 16,901,309,101,225.34
  5. Step 5: Solve for x
    x = 16,901,309,101,225.34/6,520,371.70
  6. Step 6: Final answer
    x = 2,592,077.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.