Home / 3,839,747.71-5,298,400.38-2,120,765.71

Finding the Fourth Proportional to 3,839,747.71, 5,298,400.38 and 2,120,765.71

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Solution

The fourth proportional to 3,839,747.71, 5,298,400.38 and 2,120,765.71 is: 2,926,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839,747.71 : 5,298,400.38 = 2,120,765.71 : x
  2. Step 2: Convert to fraction form
    3,839,747.71/5,298,400.38 = 2,120,765.71/x
  3. Step 3: Cross multiply
    3,839,747.71x = 5,298,400.38 × 2,120,765.71
  4. Step 4: Simplify right side
    3,839,747.71x = 11,236,665,843,754.97
  5. Step 5: Solve for x
    x = 11,236,665,843,754.97/3,839,747.71
  6. Step 6: Final answer
    x = 2,926,407.33

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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.