Home / 5,815,138.62-8,722,705.86-1,555,196.25

Finding the Fourth Proportional to 5,815,138.62, 8,722,705.86 and 1,555,196.25

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Solution

The fourth proportional to 5,815,138.62, 8,722,705.86 and 1,555,196.25 is: 2,332,793.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815,138.62 : 8,722,705.86 = 1,555,196.25 : x
  2. Step 2: Convert to fraction form
    5,815,138.62/8,722,705.86 = 1,555,196.25/x
  3. Step 3: Cross multiply
    5,815,138.62x = 8,722,705.86 × 1,555,196.25
  4. Step 4: Simplify right side
    5,815,138.62x = 13,565,519,443,325.02
  5. Step 5: Solve for x
    x = 13,565,519,443,325.02/5,815,138.62
  6. Step 6: Final answer
    x = 2,332,793.82

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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.