Home / 3,516,515.20-5,274,254.40-992,425.60

Finding the Fourth Proportional to 3,516,515.20, 5,274,254.40 and 992,425.60

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Solution

The fourth proportional to 3,516,515.20, 5,274,254.40 and 992,425.60 is: 1,488,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516,515.20 : 5,274,254.40 = 992,425.60 : x
  2. Step 2: Convert to fraction form
    3,516,515.20/5,274,254.40 = 992,425.60/x
  3. Step 3: Cross multiply
    3,516,515.20x = 5,274,254.40 × 992,425.60
  4. Step 4: Simplify right side
    3,516,515.20x = 5,234,305,087,472.64
  5. Step 5: Solve for x
    x = 5,234,305,087,472.64/3,516,515.20
  6. Step 6: Final answer
    x = 1,488,492.10

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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.