Home / 5,327,287.20-7,990,930.80-2,132,906.40

Finding the Fourth Proportional to 5,327,287.20, 7,990,930.80 and 2,132,906.40

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Solution

The fourth proportional to 5,327,287.20, 7,990,930.80 and 2,132,906.40 is: 3,199,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327,287.20 : 7,990,930.80 = 2,132,906.40 : x
  2. Step 2: Convert to fraction form
    5,327,287.20/7,990,930.80 = 2,132,906.40/x
  3. Step 3: Cross multiply
    5,327,287.20x = 7,990,930.80 × 2,132,906.40
  4. Step 4: Simplify right side
    5,327,287.20x = 17,043,907,445,277.12
  5. Step 5: Solve for x
    x = 17,043,907,445,277.12/5,327,287.20
  6. Step 6: Final answer
    x = 3,199,359.60

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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.