Home / 3,198,261.78-4,797,413.33-1,279,333.31

Finding the Fourth Proportional to 3,198,261.78, 4,797,413.33 and 1,279,333.31

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Solution

The fourth proportional to 3,198,261.78, 4,797,413.33 and 1,279,333.31 is: 1,919,008.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198,261.78 : 4,797,413.33 = 1,279,333.31 : x
  2. Step 2: Convert to fraction form
    3,198,261.78/4,797,413.33 = 1,279,333.31/x
  3. Step 3: Cross multiply
    3,198,261.78x = 4,797,413.33 × 1,279,333.31
  4. Step 4: Simplify right side
    3,198,261.78x = 6,137,490,644,523.29
  5. Step 5: Solve for x
    x = 6,137,490,644,523.29/3,198,261.78
  6. Step 6: Final answer
    x = 1,919,008.22

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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.