Home / 2,165,351.94-2,988,138.60-1,198,424.16

Finding the Fourth Proportional to 2,165,351.94, 2,988,138.60 and 1,198,424.16

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Solution

The fourth proportional to 2,165,351.94, 2,988,138.60 and 1,198,424.16 is: 1,653,799.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,351.94 : 2,988,138.60 = 1,198,424.16 : x
  2. Step 2: Convert to fraction form
    2,165,351.94/2,988,138.60 = 1,198,424.16/x
  3. Step 3: Cross multiply
    2,165,351.94x = 2,988,138.60 × 1,198,424.16
  4. Step 4: Simplify right side
    2,165,351.94x = 3,581,057,491,668.58
  5. Step 5: Solve for x
    x = 3,581,057,491,668.58/2,165,351.94
  6. Step 6: Final answer
    x = 1,653,799.29

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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.