Home / 2,188,158.92-3,283,704.12-768,219.20

Finding the Fourth Proportional to 2,188,158.92, 3,283,704.12 and 768,219.20

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Solution

The fourth proportional to 2,188,158.92, 3,283,704.12 and 768,219.20 is: 1,152,843.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,158.92 : 3,283,704.12 = 768,219.20 : x
  2. Step 2: Convert to fraction form
    2,188,158.92/3,283,704.12 = 768,219.20/x
  3. Step 3: Cross multiply
    2,188,158.92x = 3,283,704.12 × 768,219.20
  4. Step 4: Simplify right side
    2,188,158.92x = 2,522,604,552,103.10
  5. Step 5: Solve for x
    x = 2,522,604,552,103.10/2,188,158.92
  6. Step 6: Final answer
    x = 1,152,843.39

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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.