Home / 2,221,221.30-3,331,831.92-538,324.80

Finding the Fourth Proportional to 2,221,221.30, 3,331,831.92 and 538,324.80

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Solution

The fourth proportional to 2,221,221.30, 3,331,831.92 and 538,324.80 is: 807,487.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,221.30 : 3,331,831.92 = 538,324.80 : x
  2. Step 2: Convert to fraction form
    2,221,221.30/3,331,831.92 = 538,324.80/x
  3. Step 3: Cross multiply
    2,221,221.30x = 3,331,831.92 × 538,324.80
  4. Step 4: Simplify right side
    2,221,221.30x = 1,793,607,751,967.62
  5. Step 5: Solve for x
    x = 1,793,607,751,967.62/2,221,221.30
  6. Step 6: Final answer
    x = 807,487.19

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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.