Home / 3,516,790.88-5,274,448.20-991,855.64

Finding the Fourth Proportional to 3,516,790.88, 5,274,448.20 and 991,855.64

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Solution

The fourth proportional to 3,516,790.88, 5,274,448.20 and 991,855.64 is: 1,487,575.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516,790.88 : 5,274,448.20 = 991,855.64 : x
  2. Step 2: Convert to fraction form
    3,516,790.88/5,274,448.20 = 991,855.64/x
  3. Step 3: Cross multiply
    3,516,790.88x = 5,274,448.20 × 991,855.64
  4. Step 4: Simplify right side
    3,516,790.88x = 5,231,491,219,497.16
  5. Step 5: Solve for x
    x = 5,231,491,219,497.16/3,516,790.88
  6. Step 6: Final answer
    x = 1,487,575.29

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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.