Home / 3,422,336.88-5,138,551.80-1,908,976.60

Finding the Fourth Proportional to 3,422,336.88, 5,138,551.80 and 1,908,976.60

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Solution

The fourth proportional to 3,422,336.88, 5,138,551.80 and 1,908,976.60 is: 2,866,279.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422,336.88 : 5,138,551.80 = 1,908,976.60 : x
  2. Step 2: Convert to fraction form
    3,422,336.88/5,138,551.80 = 1,908,976.60/x
  3. Step 3: Cross multiply
    3,422,336.88x = 5,138,551.80 × 1,908,976.60
  4. Step 4: Simplify right side
    3,422,336.88x = 9,809,375,144,087.88
  5. Step 5: Solve for x
    x = 9,809,375,144,087.88/3,422,336.88
  6. Step 6: Final answer
    x = 2,866,279.82

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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.