Home / 3,889,397.72-5,367,337.78-2,257,956.46

Finding the Fourth Proportional to 3,889,397.72, 5,367,337.78 and 2,257,956.46

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Solution

The fourth proportional to 3,889,397.72, 5,367,337.78 and 2,257,956.46 is: 3,115,961.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,397.72 : 5,367,337.78 = 2,257,956.46 : x
  2. Step 2: Convert to fraction form
    3,889,397.72/5,367,337.78 = 2,257,956.46/x
  3. Step 3: Cross multiply
    3,889,397.72x = 5,367,337.78 × 2,257,956.46
  4. Step 4: Simplify right side
    3,889,397.72x = 12,119,215,013,353.06
  5. Step 5: Solve for x
    x = 12,119,215,013,353.06/3,889,397.72
  6. Step 6: Final answer
    x = 3,115,961.88

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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.