Home / 3,198,067.32-4,413,333.36-1,821,539.28

Finding the Fourth Proportional to 3,198,067.32, 4,413,333.36 and 1,821,539.28

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Solution

The fourth proportional to 3,198,067.32, 4,413,333.36 and 1,821,539.28 is: 2,513,724.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198,067.32 : 4,413,333.36 = 1,821,539.28 : x
  2. Step 2: Convert to fraction form
    3,198,067.32/4,413,333.36 = 1,821,539.28/x
  3. Step 3: Cross multiply
    3,198,067.32x = 4,413,333.36 × 1,821,539.28
  4. Step 4: Simplify right side
    3,198,067.32x = 8,039,060,070,974.38
  5. Step 5: Solve for x
    x = 8,039,060,070,974.38/3,198,067.32
  6. Step 6: Final answer
    x = 2,513,724.47

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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.