Home / 3,979,868.36-5,969,219.31-1,957,569.44

Finding the Fourth Proportional to 3,979,868.36, 5,969,219.31 and 1,957,569.44

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Solution

The fourth proportional to 3,979,868.36, 5,969,219.31 and 1,957,569.44 is: 2,936,067.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,868.36 : 5,969,219.31 = 1,957,569.44 : x
  2. Step 2: Convert to fraction form
    3,979,868.36/5,969,219.31 = 1,957,569.44/x
  3. Step 3: Cross multiply
    3,979,868.36x = 5,969,219.31 × 1,957,569.44
  4. Step 4: Simplify right side
    3,979,868.36x = 11,685,161,272,067.79
  5. Step 5: Solve for x
    x = 11,685,161,272,067.79/3,979,868.36
  6. Step 6: Final answer
    x = 2,936,067.28

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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.