Home / 1,538,446.30-2,309,747.10-899,404.90

Finding the Fourth Proportional to 1,538,446.30, 2,309,747.10 and 899,404.90

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Solution

The fourth proportional to 1,538,446.30, 2,309,747.10 and 899,404.90 is: 1,350,321.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,446.30 : 2,309,747.10 = 899,404.90 : x
  2. Step 2: Convert to fraction form
    1,538,446.30/2,309,747.10 = 899,404.90/x
  3. Step 3: Cross multiply
    1,538,446.30x = 2,309,747.10 × 899,404.90
  4. Step 4: Simplify right side
    1,538,446.30x = 2,077,397,859,500.79
  5. Step 5: Solve for x
    x = 2,077,397,859,500.79/1,538,446.30
  6. Step 6: Final answer
    x = 1,350,321.98

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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.