Home / 3,931,529.39-5,425,685.12-2,212,761.23

Finding the Fourth Proportional to 3,931,529.39, 5,425,685.12 and 2,212,761.23

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Solution

The fourth proportional to 3,931,529.39, 5,425,685.12 and 2,212,761.23 is: 3,053,708.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,529.39 : 5,425,685.12 = 2,212,761.23 : x
  2. Step 2: Convert to fraction form
    3,931,529.39/5,425,685.12 = 2,212,761.23/x
  3. Step 3: Cross multiply
    3,931,529.39x = 5,425,685.12 × 2,212,761.23
  4. Step 4: Simplify right side
    3,931,529.39x = 12,005,745,679,723.90
  5. Step 5: Solve for x
    x = 12,005,745,679,723.90/3,931,529.39
  6. Step 6: Final answer
    x = 3,053,708.75

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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.