Home / 6,491,988-8,959,207.23-3,591,328.86

Finding the Fourth Proportional to 6,491,988, 8,959,207.23 and 3,591,328.86

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Solution

The fourth proportional to 6,491,988, 8,959,207.23 and 3,591,328.86 is: 4,956,179.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491,988 : 8,959,207.23 = 3,591,328.86 : x
  2. Step 2: Convert to fraction form
    6,491,988/8,959,207.23 = 3,591,328.86/x
  3. Step 3: Cross multiply
    6,491,988x = 8,959,207.23 × 3,591,328.86
  4. Step 4: Simplify right side
    6,491,988x = 32,175,459,487,819.66
  5. Step 5: Solve for x
    x = 32,175,459,487,819.66/6,491,988
  6. Step 6: Final answer
    x = 4,956,179.75

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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.