Home / 3,690,675.70-5,536,013.55-3,640,909.30

Finding the Fourth Proportional to 3,690,675.70, 5,536,013.55 and 3,640,909.30

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Solution

The fourth proportional to 3,690,675.70, 5,536,013.55 and 3,640,909.30 is: 5,461,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690,675.70 : 5,536,013.55 = 3,640,909.30 : x
  2. Step 2: Convert to fraction form
    3,690,675.70/5,536,013.55 = 3,640,909.30/x
  3. Step 3: Cross multiply
    3,690,675.70x = 5,536,013.55 × 3,640,909.30
  4. Step 4: Simplify right side
    3,690,675.70x = 20,156,123,219,121.01
  5. Step 5: Solve for x
    x = 20,156,123,219,121.01/3,690,675.70
  6. Step 6: Final answer
    x = 5,461,363.95

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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.