Home / 3,758,869.15-5,187,239.42-2,039,989.66

Finding the Fourth Proportional to 3,758,869.15, 5,187,239.42 and 2,039,989.66

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Solution

The fourth proportional to 3,758,869.15, 5,187,239.42 and 2,039,989.66 is: 2,815,185.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,758,869.15 : 5,187,239.42 = 2,039,989.66 : x
  2. Step 2: Convert to fraction form
    3,758,869.15/5,187,239.42 = 2,039,989.66/x
  3. Step 3: Cross multiply
    3,758,869.15x = 5,187,239.42 × 2,039,989.66
  4. Step 4: Simplify right side
    3,758,869.15x = 10,581,914,796,138.47
  5. Step 5: Solve for x
    x = 10,581,914,796,138.47/3,758,869.15
  6. Step 6: Final answer
    x = 2,815,185.73

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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.