Home / 5,631,213.38-7,777,489.67-3,817,228.10

Finding the Fourth Proportional to 5,631,213.38, 7,777,489.67 and 3,817,228.10

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Solution

The fourth proportional to 5,631,213.38, 7,777,489.67 and 3,817,228.10 is: 5,272,123.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631,213.38 : 7,777,489.67 = 3,817,228.10 : x
  2. Step 2: Convert to fraction form
    5,631,213.38/7,777,489.67 = 3,817,228.10/x
  3. Step 3: Cross multiply
    5,631,213.38x = 7,777,489.67 × 3,817,228.10
  4. Step 4: Simplify right side
    5,631,213.38x = 29,688,452,057,810.14
  5. Step 5: Solve for x
    x = 29,688,452,057,810.14/5,631,213.38
  6. Step 6: Final answer
    x = 5,272,123.44

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.