Home / 3,819,144.06-5,270,557.38-2,187,866.70

Finding the Fourth Proportional to 3,819,144.06, 5,270,557.38 and 2,187,866.70

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Solution

The fourth proportional to 3,819,144.06, 5,270,557.38 and 2,187,866.70 is: 3,019,335.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,144.06 : 5,270,557.38 = 2,187,866.70 : x
  2. Step 2: Convert to fraction form
    3,819,144.06/5,270,557.38 = 2,187,866.70/x
  3. Step 3: Cross multiply
    3,819,144.06x = 5,270,557.38 × 2,187,866.70
  4. Step 4: Simplify right side
    3,819,144.06x = 11,531,276,982,141.25
  5. Step 5: Solve for x
    x = 11,531,276,982,141.25/3,819,144.06
  6. Step 6: Final answer
    x = 3,019,335.43

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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.