Home / 2,439,993.78-3,364,198.26-1,979,805.24

Finding the Fourth Proportional to 2,439,993.78, 3,364,198.26 and 1,979,805.24

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Solution

The fourth proportional to 2,439,993.78, 3,364,198.26 and 1,979,805.24 is: 2,729,702.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439,993.78 : 3,364,198.26 = 1,979,805.24 : x
  2. Step 2: Convert to fraction form
    2,439,993.78/3,364,198.26 = 1,979,805.24/x
  3. Step 3: Cross multiply
    2,439,993.78x = 3,364,198.26 × 1,979,805.24
  4. Step 4: Simplify right side
    2,439,993.78x = 6,660,457,343,546.88
  5. Step 5: Solve for x
    x = 6,660,457,343,546.88/2,439,993.78
  6. Step 6: Final answer
    x = 2,729,702.59

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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.