Home / 1,807,586.38-2,494,515.12-991,789.85

Finding the Fourth Proportional to 1,807,586.38, 2,494,515.12 and 991,789.85

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Solution

The fourth proportional to 1,807,586.38, 2,494,515.12 and 991,789.85 is: 1,368,695.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,586.38 : 2,494,515.12 = 991,789.85 : x
  2. Step 2: Convert to fraction form
    1,807,586.38/2,494,515.12 = 991,789.85/x
  3. Step 3: Cross multiply
    1,807,586.38x = 2,494,515.12 × 991,789.85
  4. Step 4: Simplify right side
    1,807,586.38x = 2,474,034,770,257.94
  5. Step 5: Solve for x
    x = 2,474,034,770,257.94/1,807,586.38
  6. Step 6: Final answer
    x = 1,368,695.18

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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.