Home / 3,976,870.66-5,486,335.77-2,687,241.22

Finding the Fourth Proportional to 3,976,870.66, 5,486,335.77 and 2,687,241.22

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Solution

The fourth proportional to 3,976,870.66, 5,486,335.77 and 2,687,241.22 is: 3,707,213.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976,870.66 : 5,486,335.77 = 2,687,241.22 : x
  2. Step 2: Convert to fraction form
    3,976,870.66/5,486,335.77 = 2,687,241.22/x
  3. Step 3: Cross multiply
    3,976,870.66x = 5,486,335.77 × 2,687,241.22
  4. Step 4: Simplify right side
    3,976,870.66x = 14,743,107,627,904.44
  5. Step 5: Solve for x
    x = 14,743,107,627,904.44/3,976,870.66
  6. Step 6: Final answer
    x = 3,707,213.26

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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.