Home / 3,388,891.80-5,083,337.70-2,538,586.20

Finding the Fourth Proportional to 3,388,891.80, 5,083,337.70 and 2,538,586.20

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Solution

The fourth proportional to 3,388,891.80, 5,083,337.70 and 2,538,586.20 is: 3,807,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388,891.80 : 5,083,337.70 = 2,538,586.20 : x
  2. Step 2: Convert to fraction form
    3,388,891.80/5,083,337.70 = 2,538,586.20/x
  3. Step 3: Cross multiply
    3,388,891.80x = 5,083,337.70 × 2,538,586.20
  4. Step 4: Simplify right side
    3,388,891.80x = 12,904,490,935,159.74
  5. Step 5: Solve for x
    x = 12,904,490,935,159.74/3,388,891.80
  6. Step 6: Final answer
    x = 3,807,879.30

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Double scale
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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.