Home / 5,979,863.20-8,968,045.20-2,141,240.80

Finding the Fourth Proportional to 5,979,863.20, 8,968,045.20 and 2,141,240.80

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Solution

The fourth proportional to 5,979,863.20, 8,968,045.20 and 2,141,240.80 is: 3,211,234.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979,863.20 : 8,968,045.20 = 2,141,240.80 : x
  2. Step 2: Convert to fraction form
    5,979,863.20/8,968,045.20 = 2,141,240.80/x
  3. Step 3: Cross multiply
    5,979,863.20x = 8,968,045.20 × 2,141,240.80
  4. Step 4: Simplify right side
    5,979,863.20x = 19,202,744,278,484.16
  5. Step 5: Solve for x
    x = 19,202,744,278,484.16/5,979,863.20
  6. Step 6: Final answer
    x = 3,211,234.71

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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.