Home / 5,454,937.60-8,180,438.10-2,215,115.80

Finding the Fourth Proportional to 5,454,937.60, 8,180,438.10 and 2,215,115.80

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Solution

The fourth proportional to 5,454,937.60, 8,180,438.10 and 2,215,115.80 is: 3,321,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454,937.60 : 8,180,438.10 = 2,215,115.80 : x
  2. Step 2: Convert to fraction form
    5,454,937.60/8,180,438.10 = 2,215,115.80/x
  3. Step 3: Cross multiply
    5,454,937.60x = 8,180,438.10 × 2,215,115.80
  4. Step 4: Simplify right side
    5,454,937.60x = 18,120,617,686,231.98
  5. Step 5: Solve for x
    x = 18,120,617,686,231.98/5,454,937.60
  6. Step 6: Final answer
    x = 3,321,874.42

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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.