Home / 2,278,221.34-3,419,127.48-999,711.30

Finding the Fourth Proportional to 2,278,221.34, 3,419,127.48 and 999,711.30

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Solution

The fourth proportional to 2,278,221.34, 3,419,127.48 and 999,711.30 is: 1,500,354.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,221.34 : 3,419,127.48 = 999,711.30 : x
  2. Step 2: Convert to fraction form
    2,278,221.34/3,419,127.48 = 999,711.30/x
  3. Step 3: Cross multiply
    2,278,221.34x = 3,419,127.48 × 999,711.30
  4. Step 4: Simplify right side
    2,278,221.34x = 3,418,140,377,896.52
  5. Step 5: Solve for x
    x = 3,418,140,377,896.52/2,278,221.34
  6. Step 6: Final answer
    x = 1,500,354.82

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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.