Home / 6,440,691.20-9,662,203.20-3,237,756.80

Finding the Fourth Proportional to 6,440,691.20, 9,662,203.20 and 3,237,756.80

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Solution

The fourth proportional to 6,440,691.20, 9,662,203.20 and 3,237,756.80 is: 4,857,221.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440,691.20 : 9,662,203.20 = 3,237,756.80 : x
  2. Step 2: Convert to fraction form
    6,440,691.20/9,662,203.20 = 3,237,756.80/x
  3. Step 3: Cross multiply
    6,440,691.20x = 9,662,203.20 × 3,237,756.80
  4. Step 4: Simplify right side
    6,440,691.20x = 31,283,864,113,781.75
  5. Step 5: Solve for x
    x = 31,283,864,113,781.75/6,440,691.20
  6. Step 6: Final answer
    x = 4,857,221.55

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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.