Home / 3,211,036.38-4,813,182.92-1,080,380.78

Finding the Fourth Proportional to 3,211,036.38, 4,813,182.92 and 1,080,380.78

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Solution

The fourth proportional to 3,211,036.38, 4,813,182.92 and 1,080,380.78 is: 1,619,436.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,036.38 : 4,813,182.92 = 1,080,380.78 : x
  2. Step 2: Convert to fraction form
    3,211,036.38/4,813,182.92 = 1,080,380.78/x
  3. Step 3: Cross multiply
    3,211,036.38x = 4,813,182.92 × 1,080,380.78
  4. Step 4: Simplify right side
    3,211,036.38x = 5,200,070,317,392.28
  5. Step 5: Solve for x
    x = 5,200,070,317,392.28/3,211,036.38
  6. Step 6: Final answer
    x = 1,619,436.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.