Home / 2,080,961.11-3,121,445.67-802,170.78

Finding the Fourth Proportional to 2,080,961.11, 3,121,445.67 and 802,170.78

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Solution

The fourth proportional to 2,080,961.11, 3,121,445.67 and 802,170.78 is: 1,203,257.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,961.11 : 3,121,445.67 = 802,170.78 : x
  2. Step 2: Convert to fraction form
    2,080,961.11/3,121,445.67 = 802,170.78/x
  3. Step 3: Cross multiply
    2,080,961.11x = 3,121,445.67 × 802,170.78
  4. Step 4: Simplify right side
    2,080,961.11x = 2,503,932,493,117.96
  5. Step 5: Solve for x
    x = 2,503,932,493,117.96/2,080,961.11
  6. Step 6: Final answer
    x = 1,203,257.71

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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.