Home / 5,439,921.60-8,161,891.20-2,245,324.80

Finding the Fourth Proportional to 5,439,921.60, 8,161,891.20 and 2,245,324.80

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Solution

The fourth proportional to 5,439,921.60, 8,161,891.20 and 2,245,324.80 is: 3,368,816.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439,921.60 : 8,161,891.20 = 2,245,324.80 : x
  2. Step 2: Convert to fraction form
    5,439,921.60/8,161,891.20 = 2,245,324.80/x
  3. Step 3: Cross multiply
    5,439,921.60x = 8,161,891.20 × 2,245,324.80
  4. Step 4: Simplify right side
    5,439,921.60x = 18,326,096,726,261.76
  5. Step 5: Solve for x
    x = 18,326,096,726,261.76/5,439,921.60
  6. Step 6: Final answer
    x = 3,368,816.33

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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.