Home / 1,986,372.60-2,741,183.82-1,080,961.08

Finding the Fourth Proportional to 1,986,372.60, 2,741,183.82 and 1,080,961.08

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Solution

The fourth proportional to 1,986,372.60, 2,741,183.82 and 1,080,961.08 is: 1,491,720.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,372.60 : 2,741,183.82 = 1,080,961.08 : x
  2. Step 2: Convert to fraction form
    1,986,372.60/2,741,183.82 = 1,080,961.08/x
  3. Step 3: Cross multiply
    1,986,372.60x = 2,741,183.82 × 1,080,961.08
  4. Step 4: Simplify right side
    1,986,372.60x = 2,963,113,022,545.73
  5. Step 5: Solve for x
    x = 2,963,113,022,545.73/1,986,372.60
  6. Step 6: Final answer
    x = 1,491,720.65

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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.