Home / 2,382,689.62-3,288,133.24-1,294,963.76

Finding the Fourth Proportional to 2,382,689.62, 3,288,133.24 and 1,294,963.76

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Solution

The fourth proportional to 2,382,689.62, 3,288,133.24 and 1,294,963.76 is: 1,787,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382,689.62 : 3,288,133.24 = 1,294,963.76 : x
  2. Step 2: Convert to fraction form
    2,382,689.62/3,288,133.24 = 1,294,963.76/x
  3. Step 3: Cross multiply
    2,382,689.62x = 3,288,133.24 × 1,294,963.76
  4. Step 4: Simplify right side
    2,382,689.62x = 4,258,013,370,338.56
  5. Step 5: Solve for x
    x = 4,258,013,370,338.56/2,382,689.62
  6. Step 6: Final answer
    x = 1,787,061.70

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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.