Home / 2,005,286.38-2,767,276.36-1,087,535.78

Finding the Fourth Proportional to 2,005,286.38, 2,767,276.36 and 1,087,535.78

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Solution

The fourth proportional to 2,005,286.38, 2,767,276.36 and 1,087,535.78 is: 1,500,789.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,286.38 : 2,767,276.36 = 1,087,535.78 : x
  2. Step 2: Convert to fraction form
    2,005,286.38/2,767,276.36 = 1,087,535.78/x
  3. Step 3: Cross multiply
    2,005,286.38x = 2,767,276.36 × 1,087,535.78
  4. Step 4: Simplify right side
    2,005,286.38x = 3,009,512,038,092.94
  5. Step 5: Solve for x
    x = 3,009,512,038,092.94/2,005,286.38
  6. Step 6: Final answer
    x = 1,500,789.15

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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.