Home / 3,439,976.45-5,161,379.13-1,519,874.28

Finding the Fourth Proportional to 3,439,976.45, 5,161,379.13 and 1,519,874.28

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Solution

The fourth proportional to 3,439,976.45, 5,161,379.13 and 1,519,874.28 is: 2,280,436.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439,976.45 : 5,161,379.13 = 1,519,874.28 : x
  2. Step 2: Convert to fraction form
    3,439,976.45/5,161,379.13 = 1,519,874.28/x
  3. Step 3: Cross multiply
    3,439,976.45x = 5,161,379.13 × 1,519,874.28
  4. Step 4: Simplify right side
    3,439,976.45x = 7,844,647,389,015.78
  5. Step 5: Solve for x
    x = 7,844,647,389,015.78/3,439,976.45
  6. Step 6: Final answer
    x = 2,280,436.37

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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.