Home / 2,221,981.75-3,067,656.27-1,406,884.11

Finding the Fourth Proportional to 2,221,981.75, 3,067,656.27 and 1,406,884.11

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Solution

The fourth proportional to 2,221,981.75, 3,067,656.27 and 1,406,884.11 is: 1,942,336.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,981.75 : 3,067,656.27 = 1,406,884.11 : x
  2. Step 2: Convert to fraction form
    2,221,981.75/3,067,656.27 = 1,406,884.11/x
  3. Step 3: Cross multiply
    2,221,981.75x = 3,067,656.27 × 1,406,884.11
  4. Step 4: Simplify right side
    2,221,981.75x = 4,315,836,882,179.28
  5. Step 5: Solve for x
    x = 4,315,836,882,179.28/2,221,981.75
  6. Step 6: Final answer
    x = 1,942,336.78

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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.