Home / 3,988,688.40-5,976,034.20-3,274,851.60

Finding the Fourth Proportional to 3,988,688.40, 5,976,034.20 and 3,274,851.60

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Solution

The fourth proportional to 3,988,688.40, 5,976,034.20 and 3,274,851.60 is: 4,906,531.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988,688.40 : 5,976,034.20 = 3,274,851.60 : x
  2. Step 2: Convert to fraction form
    3,988,688.40/5,976,034.20 = 3,274,851.60/x
  3. Step 3: Cross multiply
    3,988,688.40x = 5,976,034.20 × 3,274,851.60
  4. Step 4: Simplify right side
    3,988,688.40x = 19,570,625,161,524.72
  5. Step 5: Solve for x
    x = 19,570,625,161,524.72/3,988,688.40
  6. Step 6: Final answer
    x = 4,906,531.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.