Home / 2,485,261.71-3,728,675.57-887,789.43

Finding the Fourth Proportional to 2,485,261.71, 3,728,675.57 and 887,789.43

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Solution

The fourth proportional to 2,485,261.71, 3,728,675.57 and 887,789.43 is: 1,331,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,261.71 : 3,728,675.57 = 887,789.43 : x
  2. Step 2: Convert to fraction form
    2,485,261.71/3,728,675.57 = 887,789.43/x
  3. Step 3: Cross multiply
    2,485,261.71x = 3,728,675.57 × 887,789.43
  4. Step 4: Simplify right side
    2,485,261.71x = 3,310,278,754,506.28
  5. Step 5: Solve for x
    x = 3,310,278,754,506.28/2,485,261.71
  6. Step 6: Final answer
    x = 1,331,963.85

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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.