Home / 6,491,990.50-8,959,210.68-3,591,331.36

Finding the Fourth Proportional to 6,491,990.50, 8,959,210.68 and 3,591,331.36

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Solution

The fourth proportional to 6,491,990.50, 8,959,210.68 and 3,591,331.36 is: 4,956,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491,990.50 : 8,959,210.68 = 3,591,331.36 : x
  2. Step 2: Convert to fraction form
    6,491,990.50/8,959,210.68 = 3,591,331.36/x
  3. Step 3: Cross multiply
    6,491,990.50x = 8,959,210.68 × 3,591,331.36
  4. Step 4: Simplify right side
    6,491,990.50x = 32,175,494,275,930.92
  5. Step 5: Solve for x
    x = 32,175,494,275,930.92/6,491,990.50
  6. Step 6: Final answer
    x = 4,956,183.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.