Home / 5,185,115.10-7,777,672.65-3,589,479.90

Finding the Fourth Proportional to 5,185,115.10, 7,777,672.65 and 3,589,479.90

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Solution

The fourth proportional to 5,185,115.10, 7,777,672.65 and 3,589,479.90 is: 5,384,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185,115.10 : 7,777,672.65 = 3,589,479.90 : x
  2. Step 2: Convert to fraction form
    5,185,115.10/7,777,672.65 = 3,589,479.90/x
  3. Step 3: Cross multiply
    5,185,115.10x = 7,777,672.65 × 3,589,479.90
  4. Step 4: Simplify right side
    5,185,115.10x = 27,917,799,645,954.73
  5. Step 5: Solve for x
    x = 27,917,799,645,954.73/5,185,115.10
  6. Step 6: Final answer
    x = 5,384,219.85

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Similar ratio
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1.5x scale

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.