Home / 1,986,905.52-2,741,853.51-1,127,414.52

Finding the Fourth Proportional to 1,986,905.52, 2,741,853.51 and 1,127,414.52

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Solution

The fourth proportional to 1,986,905.52, 2,741,853.51 and 1,127,414.52 is: 1,555,788.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,905.52 : 2,741,853.51 = 1,127,414.52 : x
  2. Step 2: Convert to fraction form
    1,986,905.52/2,741,853.51 = 1,127,414.52/x
  3. Step 3: Cross multiply
    1,986,905.52x = 2,741,853.51 × 1,127,414.52
  4. Step 4: Simplify right side
    1,986,905.52x = 3,091,205,458,886.97
  5. Step 5: Solve for x
    x = 3,091,205,458,886.97/1,986,905.52
  6. Step 6: Final answer
    x = 1,555,788.85

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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.