Home / 3,858,143.17-5,323,748.24-2,115,353.95

Finding the Fourth Proportional to 3,858,143.17, 5,323,748.24 and 2,115,353.95

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Solution

The fourth proportional to 3,858,143.17, 5,323,748.24 and 2,115,353.95 is: 2,918,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858,143.17 : 5,323,748.24 = 2,115,353.95 : x
  2. Step 2: Convert to fraction form
    3,858,143.17/5,323,748.24 = 2,115,353.95/x
  3. Step 3: Cross multiply
    3,858,143.17x = 5,323,748.24 × 2,115,353.95
  4. Step 4: Simplify right side
    3,858,143.17x = 11,261,611,857,712.78
  5. Step 5: Solve for x
    x = 11,261,611,857,712.78/3,858,143.17
  6. Step 6: Final answer
    x = 2,918,920.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.