Home / 3,976,871.66-5,486,337.15-2,687,242.22

Finding the Fourth Proportional to 3,976,871.66, 5,486,337.15 and 2,687,242.22

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Solution

The fourth proportional to 3,976,871.66, 5,486,337.15 and 2,687,242.22 is: 3,707,214.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976,871.66 : 5,486,337.15 = 2,687,242.22 : x
  2. Step 2: Convert to fraction form
    3,976,871.66/5,486,337.15 = 2,687,242.22/x
  3. Step 3: Cross multiply
    3,976,871.66x = 5,486,337.15 × 2,687,242.22
  4. Step 4: Simplify right side
    3,976,871.66x = 14,743,116,822,634.47
  5. Step 5: Solve for x
    x = 14,743,116,822,634.47/3,976,871.66
  6. Step 6: Final answer
    x = 3,707,214.64

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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.