Home / 6,491,990.25-8,959,210.34-3,591,331.11

Finding the Fourth Proportional to 6,491,990.25, 8,959,210.34 and 3,591,331.11

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Solution

The fourth proportional to 6,491,990.25, 8,959,210.34 and 3,591,331.11 is: 4,956,182.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491,990.25 : 8,959,210.34 = 3,591,331.11 : x
  2. Step 2: Convert to fraction form
    6,491,990.25/8,959,210.34 = 3,591,331.11/x
  3. Step 3: Cross multiply
    6,491,990.25x = 8,959,210.34 × 3,591,331.11
  4. Step 4: Simplify right side
    6,491,990.25x = 32,175,490,797,119.02
  5. Step 5: Solve for x
    x = 32,175,490,797,119.02/6,491,990.25
  6. Step 6: Final answer
    x = 4,956,182.86

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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.