Home / 5,188,500.20-7,761,755.10-4,558,644.20

Finding the Fourth Proportional to 5,188,500.20, 7,761,755.10 and 4,558,644.20

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Solution

The fourth proportional to 5,188,500.20, 7,761,755.10 and 4,558,644.20 is: 6,819,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,500.20 : 7,761,755.10 = 4,558,644.20 : x
  2. Step 2: Convert to fraction form
    5,188,500.20/7,761,755.10 = 4,558,644.20/x
  3. Step 3: Cross multiply
    5,188,500.20x = 7,761,755.10 × 4,558,644.20
  4. Step 4: Simplify right side
    5,188,500.20x = 35,383,079,868,435.42
  5. Step 5: Solve for x
    x = 35,383,079,868,435.42/5,188,500.20
  6. Step 6: Final answer
    x = 6,819,519.80

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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.