Home / 2,550,121.13-3,825,686.48-728,501.78

Finding the Fourth Proportional to 2,550,121.13, 3,825,686.48 and 728,501.78

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Solution

The fourth proportional to 2,550,121.13, 3,825,686.48 and 728,501.78 is: 1,092,896.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550,121.13 : 3,825,686.48 = 728,501.78 : x
  2. Step 2: Convert to fraction form
    2,550,121.13/3,825,686.48 = 728,501.78/x
  3. Step 3: Cross multiply
    2,550,121.13x = 3,825,686.48 × 728,501.78
  4. Step 4: Simplify right side
    2,550,121.13x = 2,787,019,387,630.99
  5. Step 5: Solve for x
    x = 2,787,019,387,630.99/2,550,121.13
  6. Step 6: Final answer
    x = 1,092,896.87

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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.