Home / 1,861,290.35-2,568,182.24-1,086,569.57

Finding the Fourth Proportional to 1,861,290.35, 2,568,182.24 and 1,086,569.57

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Solution

The fourth proportional to 1,861,290.35, 2,568,182.24 and 1,086,569.57 is: 1,499,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,290.35 : 2,568,182.24 = 1,086,569.57 : x
  2. Step 2: Convert to fraction form
    1,861,290.35/2,568,182.24 = 1,086,569.57/x
  3. Step 3: Cross multiply
    1,861,290.35x = 2,568,182.24 × 1,086,569.57
  4. Step 4: Simplify right side
    1,861,290.35x = 2,790,508,653,924.68
  5. Step 5: Solve for x
    x = 2,790,508,653,924.68/1,861,290.35
  6. Step 6: Final answer
    x = 1,499,233.40

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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.