Home / 2,923,639.25-4,382,514.85-1,218,726.49

Finding the Fourth Proportional to 2,923,639.25, 4,382,514.85 and 1,218,726.49

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Solution

The fourth proportional to 2,923,639.25, 4,382,514.85 and 1,218,726.49 is: 1,826,862.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923,639.25 : 4,382,514.85 = 1,218,726.49 : x
  2. Step 2: Convert to fraction form
    2,923,639.25/4,382,514.85 = 1,218,726.49/x
  3. Step 3: Cross multiply
    2,923,639.25x = 4,382,514.85 × 1,218,726.49
  4. Step 4: Simplify right side
    2,923,639.25x = 5,341,086,940,513.38
  5. Step 5: Solve for x
    x = 5,341,086,940,513.38/2,923,639.25
  6. Step 6: Final answer
    x = 1,826,862.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.