Home / 2,550,122.13-3,825,687.98-728,502.78

Finding the Fourth Proportional to 2,550,122.13, 3,825,687.98 and 728,502.78

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Solution

The fourth proportional to 2,550,122.13, 3,825,687.98 and 728,502.78 is: 1,092,898.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550,122.13 : 3,825,687.98 = 728,502.78 : x
  2. Step 2: Convert to fraction form
    2,550,122.13/3,825,687.98 = 728,502.78/x
  3. Step 3: Cross multiply
    2,550,122.13x = 3,825,687.98 × 728,502.78
  4. Step 4: Simplify right side
    2,550,122.13x = 2,787,024,328,842.58
  5. Step 5: Solve for x
    x = 2,787,024,328,842.58/2,550,122.13
  6. Step 6: Final answer
    x = 1,092,898.37

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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.