Home / 3,819,139.80-5,270,551.50-2,187,862.44

Finding the Fourth Proportional to 3,819,139.80, 5,270,551.50 and 2,187,862.44

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Solution

The fourth proportional to 3,819,139.80, 5,270,551.50 and 2,187,862.44 is: 3,019,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,139.80 : 5,270,551.50 = 2,187,862.44 : x
  2. Step 2: Convert to fraction form
    3,819,139.80/5,270,551.50 = 2,187,862.44/x
  3. Step 3: Cross multiply
    3,819,139.80x = 5,270,551.50 × 2,187,862.44
  4. Step 4: Simplify right side
    3,819,139.80x = 11,531,241,653,375.58
  5. Step 5: Solve for x
    x = 11,531,241,653,375.58/3,819,139.80
  6. Step 6: Final answer
    x = 3,019,329.55

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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.