Home / 5,644,425.60-8,460,417.60-3,121,891.20

Finding the Fourth Proportional to 5,644,425.60, 8,460,417.60 and 3,121,891.20

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Solution

The fourth proportional to 5,644,425.60, 8,460,417.60 and 3,121,891.20 is: 4,679,396.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,644,425.60 : 8,460,417.60 = 3,121,891.20 : x
  2. Step 2: Convert to fraction form
    5,644,425.60/8,460,417.60 = 3,121,891.20/x
  3. Step 3: Cross multiply
    5,644,425.60x = 8,460,417.60 × 3,121,891.20
  4. Step 4: Simplify right side
    5,644,425.60x = 26,412,503,253,765.12
  5. Step 5: Solve for x
    x = 26,412,503,253,765.12/5,644,425.60
  6. Step 6: Final answer
    x = 4,679,396.12

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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.