Home / 2,192,645.52-3,025,873.32-1,225,829.52

Finding the Fourth Proportional to 2,192,645.52, 3,025,873.32 and 1,225,829.52

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Solution

The fourth proportional to 2,192,645.52, 3,025,873.32 and 1,225,829.52 is: 1,691,657.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,645.52 : 3,025,873.32 = 1,225,829.52 : x
  2. Step 2: Convert to fraction form
    2,192,645.52/3,025,873.32 = 1,225,829.52/x
  3. Step 3: Cross multiply
    2,192,645.52x = 3,025,873.32 × 1,225,829.52
  4. Step 4: Simplify right side
    2,192,645.52x = 3,709,204,839,436.41
  5. Step 5: Solve for x
    x = 3,709,204,839,436.41/2,192,645.52
  6. Step 6: Final answer
    x = 1,691,657.32

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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.