Home / 3,422,320.88-5,138,527.82-1,908,960.62

Finding the Fourth Proportional to 3,422,320.88, 5,138,527.82 and 1,908,960.62

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Solution

The fourth proportional to 3,422,320.88, 5,138,527.82 and 1,908,960.62 is: 2,866,255.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422,320.88 : 5,138,527.82 = 1,908,960.62 : x
  2. Step 2: Convert to fraction form
    3,422,320.88/5,138,527.82 = 1,908,960.62/x
  3. Step 3: Cross multiply
    3,422,320.88x = 5,138,527.82 × 1,908,960.62
  4. Step 4: Simplify right side
    3,422,320.88x = 9,809,247,217,917.01
  5. Step 5: Solve for x
    x = 9,809,247,217,917.01/3,422,320.88
  6. Step 6: Final answer
    x = 2,866,255.85

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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.