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Finding the Fourth Proportional to 3,548,505.78, 4,895,230.95 and 2,324,281.50

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Solution

The fourth proportional to 3,548,505.78, 4,895,230.95 and 2,324,281.50 is: 3,206,390.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548,505.78 : 4,895,230.95 = 2,324,281.50 : x
  2. Step 2: Convert to fraction form
    3,548,505.78/4,895,230.95 = 2,324,281.50/x
  3. Step 3: Cross multiply
    3,548,505.78x = 4,895,230.95 × 2,324,281.50
  4. Step 4: Simplify right side
    3,548,505.78x = 11,377,894,735,312.43
  5. Step 5: Solve for x
    x = 11,377,894,735,312.43/3,548,505.78
  6. Step 6: Final answer
    x = 3,206,390.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.