Home / 1,942,285.64-2,682,046.62-1,218,377.70

Finding the Fourth Proportional to 1,942,285.64, 2,682,046.62 and 1,218,377.70

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Solution

The fourth proportional to 1,942,285.64, 2,682,046.62 and 1,218,377.70 is: 1,682,422.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,285.64 : 2,682,046.62 = 1,218,377.70 : x
  2. Step 2: Convert to fraction form
    1,942,285.64/2,682,046.62 = 1,218,377.70/x
  3. Step 3: Cross multiply
    1,942,285.64x = 2,682,046.62 × 1,218,377.70
  4. Step 4: Simplify right side
    1,942,285.64x = 3,267,745,792,168.37
  5. Step 5: Solve for x
    x = 3,267,745,792,168.37/1,942,285.64
  6. Step 6: Final answer
    x = 1,682,422.88

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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.