Home / 2,765,866.88-4,143,266.40-2,198,205.92

Finding the Fourth Proportional to 2,765,866.88, 4,143,266.40 and 2,198,205.92

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Solution

The fourth proportional to 2,765,866.88, 4,143,266.40 and 2,198,205.92 is: 3,292,910.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765,866.88 : 4,143,266.40 = 2,198,205.92 : x
  2. Step 2: Convert to fraction form
    2,765,866.88/4,143,266.40 = 2,198,205.92/x
  3. Step 3: Cross multiply
    2,765,866.88x = 4,143,266.40 × 2,198,205.92
  4. Step 4: Simplify right side
    2,765,866.88x = 9,107,752,728,617.09
  5. Step 5: Solve for x
    x = 9,107,752,728,617.09/2,765,866.88
  6. Step 6: Final answer
    x = 3,292,910.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.