Home / 3,672,915.90-5,509,373.85-1,993,299.90

Finding the Fourth Proportional to 3,672,915.90, 5,509,373.85 and 1,993,299.90

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Solution

The fourth proportional to 3,672,915.90, 5,509,373.85 and 1,993,299.90 is: 2,989,949.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672,915.90 : 5,509,373.85 = 1,993,299.90 : x
  2. Step 2: Convert to fraction form
    3,672,915.90/5,509,373.85 = 1,993,299.90/x
  3. Step 3: Cross multiply
    3,672,915.90x = 5,509,373.85 × 1,993,299.90
  4. Step 4: Simplify right side
    3,672,915.90x = 10,981,834,344,267.61
  5. Step 5: Solve for x
    x = 10,981,834,344,267.61/3,672,915.90
  6. Step 6: Final answer
    x = 2,989,949.85

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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.