Home / 3,960,023.67-5,929,987.90-3,318,640.81

Finding the Fourth Proportional to 3,960,023.67, 5,929,987.90 and 3,318,640.81

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Solution

The fourth proportional to 3,960,023.67, 5,929,987.90 and 3,318,640.81 is: 4,969,540.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960,023.67 : 5,929,987.90 = 3,318,640.81 : x
  2. Step 2: Convert to fraction form
    3,960,023.67/5,929,987.90 = 3,318,640.81/x
  3. Step 3: Cross multiply
    3,960,023.67x = 5,929,987.90 × 3,318,640.81
  4. Step 4: Simplify right side
    3,960,023.67x = 19,679,499,847,746.20
  5. Step 5: Solve for x
    x = 19,679,499,847,746.20/3,960,023.67
  6. Step 6: Final answer
    x = 4,969,540.96

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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.