Home / 3,819,144.11-5,270,557.46-2,187,866.75

Finding the Fourth Proportional to 3,819,144.11, 5,270,557.46 and 2,187,866.75

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Solution

The fourth proportional to 3,819,144.11, 5,270,557.46 and 2,187,866.75 is: 3,019,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,144.11 : 5,270,557.46 = 2,187,866.75 : x
  2. Step 2: Convert to fraction form
    3,819,144.11/5,270,557.46 = 2,187,866.75/x
  3. Step 3: Cross multiply
    3,819,144.11x = 5,270,557.46 × 2,187,866.75
  4. Step 4: Simplify right side
    3,819,144.11x = 11,531,277,383,406.33
  5. Step 5: Solve for x
    x = 11,531,277,383,406.33/3,819,144.11
  6. Step 6: Final answer
    x = 3,019,335.50

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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.