Home / 2,198,212.78-3,033,701.92-1,383,115.14

Finding the Fourth Proportional to 2,198,212.78, 3,033,701.92 and 1,383,115.14

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Solution

The fourth proportional to 2,198,212.78, 3,033,701.92 and 1,383,115.14 is: 1,908,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,212.78 : 3,033,701.92 = 1,383,115.14 : x
  2. Step 2: Convert to fraction form
    2,198,212.78/3,033,701.92 = 1,383,115.14/x
  3. Step 3: Cross multiply
    2,198,212.78x = 3,033,701.92 × 1,383,115.14
  4. Step 4: Simplify right side
    2,198,212.78x = 4,195,959,055,799.07
  5. Step 5: Solve for x
    x = 4,195,959,055,799.07/2,198,212.78
  6. Step 6: Final answer
    x = 1,908,804.78

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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.