Home / 2,253,571.96-3,109,924.20-1,221,107.92

Finding the Fourth Proportional to 2,253,571.96, 3,109,924.20 and 1,221,107.92

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Solution

The fourth proportional to 2,253,571.96, 3,109,924.20 and 1,221,107.92 is: 1,685,126.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253,571.96 : 3,109,924.20 = 1,221,107.92 : x
  2. Step 2: Convert to fraction form
    2,253,571.96/3,109,924.20 = 1,221,107.92/x
  3. Step 3: Cross multiply
    2,253,571.96x = 3,109,924.20 × 1,221,107.92
  4. Step 4: Simplify right side
    2,253,571.96x = 3,797,553,071,219.66
  5. Step 5: Solve for x
    x = 3,797,553,071,219.66/2,253,571.96
  6. Step 6: Final answer
    x = 1,685,126.16

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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.