Home / 3,839,347.52-5,759,721.14-1,921,261.76

Finding the Fourth Proportional to 3,839,347.52, 5,759,721.14 and 1,921,261.76

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Solution

The fourth proportional to 3,839,347.52, 5,759,721.14 and 1,921,261.76 is: 2,882,242.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839,347.52 : 5,759,721.14 = 1,921,261.76 : x
  2. Step 2: Convert to fraction form
    3,839,347.52/5,759,721.14 = 1,921,261.76/x
  3. Step 3: Cross multiply
    3,839,347.52x = 5,759,721.14 × 1,921,261.76
  4. Step 4: Simplify right side
    3,839,347.52x = 11,065,931,974,545.61
  5. Step 5: Solve for x
    x = 11,065,931,974,545.61/3,839,347.52
  6. Step 6: Final answer
    x = 2,882,242.86

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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.