Home / 3,321,120-4,981,684.80-924,971.52

Finding the Fourth Proportional to 3,321,120, 4,981,684.80 and 924,971.52

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Solution

The fourth proportional to 3,321,120, 4,981,684.80 and 924,971.52 is: 1,387,458.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321,120 : 4,981,684.80 = 924,971.52 : x
  2. Step 2: Convert to fraction form
    3,321,120/4,981,684.80 = 924,971.52/x
  3. Step 3: Cross multiply
    3,321,120x = 4,981,684.80 × 924,971.52
  4. Step 4: Simplify right side
    3,321,120x = 4,607,916,561,616.90
  5. Step 5: Solve for x
    x = 4,607,916,561,616.90/3,321,120
  6. Step 6: Final answer
    x = 1,387,458.62

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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.