Home / 5,321,229.60-7,981,844.40-4,910,656.80

Finding the Fourth Proportional to 5,321,229.60, 7,981,844.40 and 4,910,656.80

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Solution

The fourth proportional to 5,321,229.60, 7,981,844.40 and 4,910,656.80 is: 7,365,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321,229.60 : 7,981,844.40 = 4,910,656.80 : x
  2. Step 2: Convert to fraction form
    5,321,229.60/7,981,844.40 = 4,910,656.80/x
  3. Step 3: Cross multiply
    5,321,229.60x = 7,981,844.40 × 4,910,656.80
  4. Step 4: Simplify right side
    5,321,229.60x = 39,196,098,479,401.92
  5. Step 5: Solve for x
    x = 39,196,098,479,401.92/5,321,229.60
  6. Step 6: Final answer
    x = 7,365,985.20

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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.