Home / 4,217,372.20-5,819,849.22-2,381,905.72

Finding the Fourth Proportional to 4,217,372.20, 5,819,849.22 and 2,381,905.72

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Solution

The fourth proportional to 4,217,372.20, 5,819,849.22 and 2,381,905.72 is: 3,286,959.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217,372.20 : 5,819,849.22 = 2,381,905.72 : x
  2. Step 2: Convert to fraction form
    4,217,372.20/5,819,849.22 = 2,381,905.72/x
  3. Step 3: Cross multiply
    4,217,372.20x = 5,819,849.22 × 2,381,905.72
  4. Step 4: Simplify right side
    4,217,372.20x = 13,862,332,146,655.54
  5. Step 5: Solve for x
    x = 13,862,332,146,655.54/4,217,372.20
  6. Step 6: Final answer
    x = 3,286,959.63

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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.