Home / 2,228,540.80-3,342,422.40-807,865.60

Finding the Fourth Proportional to 2,228,540.80, 3,342,422.40 and 807,865.60

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Solution

The fourth proportional to 2,228,540.80, 3,342,422.40 and 807,865.60 is: 1,211,657.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228,540.80 : 3,342,422.40 = 807,865.60 : x
  2. Step 2: Convert to fraction form
    2,228,540.80/3,342,422.40 = 807,865.60/x
  3. Step 3: Cross multiply
    2,228,540.80x = 3,342,422.40 × 807,865.60
  4. Step 4: Simplify right side
    2,228,540.80x = 2,700,228,077,629.44
  5. Step 5: Solve for x
    x = 2,700,228,077,629.44/2,228,540.80
  6. Step 6: Final answer
    x = 1,211,657.46

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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.