Home / 2,486,494.26-3,431,357.15-1,398,766.68

Finding the Fourth Proportional to 2,486,494.26, 3,431,357.15 and 1,398,766.68

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Solution

The fourth proportional to 2,486,494.26, 3,431,357.15 and 1,398,766.68 is: 1,930,295.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,494.26 : 3,431,357.15 = 1,398,766.68 : x
  2. Step 2: Convert to fraction form
    2,486,494.26/3,431,357.15 = 1,398,766.68/x
  3. Step 3: Cross multiply
    2,486,494.26x = 3,431,357.15 × 1,398,766.68
  4. Step 4: Simplify right side
    2,486,494.26x = 4,799,668,041,605.93
  5. Step 5: Solve for x
    x = 4,799,668,041,605.93/2,486,494.26
  6. Step 6: Final answer
    x = 1,930,295.24

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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.