Home / 3,422,336.28-5,138,550.84-1,908,976.02

Finding the Fourth Proportional to 3,422,336.28, 5,138,550.84 and 1,908,976.02

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Solution

The fourth proportional to 3,422,336.28, 5,138,550.84 and 1,908,976.02 is: 2,866,278.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422,336.28 : 5,138,550.84 = 1,908,976.02 : x
  2. Step 2: Convert to fraction form
    3,422,336.28/5,138,550.84 = 1,908,976.02/x
  3. Step 3: Cross multiply
    3,422,336.28x = 5,138,550.84 × 1,908,976.02
  4. Step 4: Simplify right side
    3,422,336.28x = 9,809,370,331,110.86
  5. Step 5: Solve for x
    x = 9,809,370,331,110.86/3,422,336.28
  6. Step 6: Final answer
    x = 2,866,278.92

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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.