Home / 3,618,000.10-5,427,000.15-2,198,491.30

Finding the Fourth Proportional to 3,618,000.10, 5,427,000.15 and 2,198,491.30

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Solution

The fourth proportional to 3,618,000.10, 5,427,000.15 and 2,198,491.30 is: 3,297,736.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,000.10 : 5,427,000.15 = 2,198,491.30 : x
  2. Step 2: Convert to fraction form
    3,618,000.10/5,427,000.15 = 2,198,491.30/x
  3. Step 3: Cross multiply
    3,618,000.10x = 5,427,000.15 × 2,198,491.30
  4. Step 4: Simplify right side
    3,618,000.10x = 11,931,212,614,873.70
  5. Step 5: Solve for x
    x = 11,931,212,614,873.70/3,618,000.10
  6. Step 6: Final answer
    x = 3,297,736.95

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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.