Home / 1,855,128.92-2,560,348.42-1,039,387.85

Finding the Fourth Proportional to 1,855,128.92, 2,560,348.42 and 1,039,387.85

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Solution

The fourth proportional to 1,855,128.92, 2,560,348.42 and 1,039,387.85 is: 1,434,506.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,128.92 : 2,560,348.42 = 1,039,387.85 : x
  2. Step 2: Convert to fraction form
    1,855,128.92/2,560,348.42 = 1,039,387.85/x
  3. Step 3: Cross multiply
    1,855,128.92x = 2,560,348.42 × 1,039,387.85
  4. Step 4: Simplify right side
    1,855,128.92x = 2,661,195,026,712.95
  5. Step 5: Solve for x
    x = 2,661,195,026,712.95/1,855,128.92
  6. Step 6: Final answer
    x = 1,434,506.79

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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.