Home / 3,516,791.39-5,274,448.96-991,856.15

Finding the Fourth Proportional to 3,516,791.39, 5,274,448.96 and 991,856.15

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Solution

The fourth proportional to 3,516,791.39, 5,274,448.96 and 991,856.15 is: 1,487,576.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516,791.39 : 5,274,448.96 = 991,856.15 : x
  2. Step 2: Convert to fraction form
    3,516,791.39/5,274,448.96 = 991,856.15/x
  3. Step 3: Cross multiply
    3,516,791.39x = 5,274,448.96 × 991,856.15
  4. Step 4: Simplify right side
    3,516,791.39x = 5,231,494,607,505.58
  5. Step 5: Solve for x
    x = 5,231,494,607,505.58/3,516,791.39
  6. Step 6: Final answer
    x = 1,487,576.04

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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.