Home / 5,428,613.60-8,149,141.20-3,186,015.20

Finding the Fourth Proportional to 5,428,613.60, 8,149,141.20 and 3,186,015.20

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Solution

The fourth proportional to 5,428,613.60, 8,149,141.20 and 3,186,015.20 is: 4,782,673.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,613.60 : 8,149,141.20 = 3,186,015.20 : x
  2. Step 2: Convert to fraction form
    5,428,613.60/8,149,141.20 = 3,186,015.20/x
  3. Step 3: Cross multiply
    5,428,613.60x = 8,149,141.20 × 3,186,015.20
  4. Step 4: Simplify right side
    5,428,613.60x = 25,963,287,730,146.24
  5. Step 5: Solve for x
    x = 25,963,287,730,146.24/5,428,613.60
  6. Step 6: Final answer
    x = 4,782,673.74

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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.