Home / 2,148,715.74-2,965,229.27-1,181,919.59

Finding the Fourth Proportional to 2,148,715.74, 2,965,229.27 and 1,181,919.59

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Solution

The fourth proportional to 2,148,715.74, 2,965,229.27 and 1,181,919.59 is: 1,631,049.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,715.74 : 2,965,229.27 = 1,181,919.59 : x
  2. Step 2: Convert to fraction form
    2,148,715.74/2,965,229.27 = 1,181,919.59/x
  3. Step 3: Cross multiply
    2,148,715.74x = 2,965,229.27 × 1,181,919.59
  4. Step 4: Simplify right side
    2,148,715.74x = 3,504,662,542,318.66
  5. Step 5: Solve for x
    x = 3,504,662,542,318.66/2,148,715.74
  6. Step 6: Final answer
    x = 1,631,049.88

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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.