Home / 2,221,223.05-3,331,834.55-538,326.55

Finding the Fourth Proportional to 2,221,223.05, 3,331,834.55 and 538,326.55

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Solution

The fourth proportional to 2,221,223.05, 3,331,834.55 and 538,326.55 is: 807,489.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,223.05 : 3,331,834.55 = 538,326.55 : x
  2. Step 2: Convert to fraction form
    2,221,223.05/3,331,834.55 = 538,326.55/x
  3. Step 3: Cross multiply
    2,221,223.05x = 3,331,834.55 × 538,326.55
  4. Step 4: Simplify right side
    2,221,223.05x = 1,793,614,998,472.30
  5. Step 5: Solve for x
    x = 1,793,614,998,472.30/2,221,223.05
  6. Step 6: Final answer
    x = 807,489.82

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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.