Home / 3,618,246.57-4,993,251.68-1,986,639.66

Finding the Fourth Proportional to 3,618,246.57, 4,993,251.68 and 1,986,639.66

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Solution

The fourth proportional to 3,618,246.57, 4,993,251.68 and 1,986,639.66 is: 2,741,601.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618,246.57 : 4,993,251.68 = 1,986,639.66 : x
  2. Step 2: Convert to fraction form
    3,618,246.57/4,993,251.68 = 1,986,639.66/x
  3. Step 3: Cross multiply
    3,618,246.57x = 4,993,251.68 × 1,986,639.66
  4. Step 4: Simplify right side
    3,618,246.57x = 9,919,791,818,205.07
  5. Step 5: Solve for x
    x = 9,919,791,818,205.07/3,618,246.57
  6. Step 6: Final answer
    x = 2,741,601.94

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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.