Home / 5,242,836.35-7,854,179.28-3,215,167.53

Finding the Fourth Proportional to 5,242,836.35, 7,854,179.28 and 3,215,167.53

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Solution

The fourth proportional to 5,242,836.35, 7,854,179.28 and 3,215,167.53 is: 4,816,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242,836.35 : 7,854,179.28 = 3,215,167.53 : x
  2. Step 2: Convert to fraction form
    5,242,836.35/7,854,179.28 = 3,215,167.53/x
  3. Step 3: Cross multiply
    5,242,836.35x = 7,854,179.28 × 3,215,167.53
  4. Step 4: Simplify right side
    5,242,836.35x = 25,252,502,195,854.78
  5. Step 5: Solve for x
    x = 25,252,502,195,854.78/5,242,836.35
  6. Step 6: Final answer
    x = 4,816,572.65

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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.