Home / 3,839,343.52-5,759,715.12-1,921,257.76

Finding the Fourth Proportional to 3,839,343.52, 5,759,715.12 and 1,921,257.76

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Solution

The fourth proportional to 3,839,343.52, 5,759,715.12 and 1,921,257.76 is: 2,882,236.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839,343.52 : 5,759,715.12 = 1,921,257.76 : x
  2. Step 2: Convert to fraction form
    3,839,343.52/5,759,715.12 = 1,921,257.76/x
  3. Step 3: Cross multiply
    3,839,343.52x = 5,759,715.12 × 1,921,257.76
  4. Step 4: Simplify right side
    3,839,343.52x = 11,065,897,369,689.33
  5. Step 5: Solve for x
    x = 11,065,897,369,689.33/3,839,343.52
  6. Step 6: Final answer
    x = 2,882,236.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.