Home / 3,123,003.90-4,375,748.40-3,123,003.90

Finding the Fourth Proportional to 3,123,003.90, 4,375,748.40 and 3,123,003.90

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Solution

The fourth proportional to 3,123,003.90, 4,375,748.40 and 3,123,003.90 is: 4,375,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123,003.90 : 4,375,748.40 = 3,123,003.90 : x
  2. Step 2: Convert to fraction form
    3,123,003.90/4,375,748.40 = 3,123,003.90/x
  3. Step 3: Cross multiply
    3,123,003.90x = 4,375,748.40 × 3,123,003.90
  4. Step 4: Simplify right side
    3,123,003.90x = 13,665,479,318,618.76
  5. Step 5: Solve for x
    x = 13,665,479,318,618.76/3,123,003.90
  6. Step 6: Final answer
    x = 4,375,748.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.