Home / 2,085,229.28-2,876,132.40-1,913,701.52

Finding the Fourth Proportional to 2,085,229.28, 2,876,132.40 and 1,913,701.52

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Solution

The fourth proportional to 2,085,229.28, 2,876,132.40 and 1,913,701.52 is: 2,639,546.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,229.28 : 2,876,132.40 = 1,913,701.52 : x
  2. Step 2: Convert to fraction form
    2,085,229.28/2,876,132.40 = 1,913,701.52/x
  3. Step 3: Cross multiply
    2,085,229.28x = 2,876,132.40 × 1,913,701.52
  4. Step 4: Simplify right side
    2,085,229.28x = 5,504,058,945,601.25
  5. Step 5: Solve for x
    x = 5,504,058,945,601.25/2,085,229.28
  6. Step 6: Final answer
    x = 2,639,546.16

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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.