Home / 5,343,175.20-8,020,011.60-2,650,540.80

Finding the Fourth Proportional to 5,343,175.20, 8,020,011.60 and 2,650,540.80

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Solution

The fourth proportional to 5,343,175.20, 8,020,011.60 and 2,650,540.80 is: 3,978,414.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343,175.20 : 8,020,011.60 = 2,650,540.80 : x
  2. Step 2: Convert to fraction form
    5,343,175.20/8,020,011.60 = 2,650,540.80/x
  3. Step 3: Cross multiply
    5,343,175.20x = 8,020,011.60 × 2,650,540.80
  4. Step 4: Simplify right side
    5,343,175.20x = 21,257,367,962,273.28
  5. Step 5: Solve for x
    x = 21,257,367,962,273.28/5,343,175.20
  6. Step 6: Final answer
    x = 3,978,414.92

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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.