Home / 5,485,654.49-8,229,023.01-1,890,948.20

Finding the Fourth Proportional to 5,485,654.49, 8,229,023.01 and 1,890,948.20

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Solution

The fourth proportional to 5,485,654.49, 8,229,023.01 and 1,890,948.20 is: 2,836,608.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485,654.49 : 8,229,023.01 = 1,890,948.20 : x
  2. Step 2: Convert to fraction form
    5,485,654.49/8,229,023.01 = 1,890,948.20/x
  3. Step 3: Cross multiply
    5,485,654.49x = 8,229,023.01 × 1,890,948.20
  4. Step 4: Simplify right side
    5,485,654.49x = 15,560,656,207,372.97
  5. Step 5: Solve for x
    x = 15,560,656,207,372.97/5,485,654.49
  6. Step 6: Final answer
    x = 2,836,608.88

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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.