Home / 2,253,595.60-3,109,972.75-1,221,103.11

Finding the Fourth Proportional to 2,253,595.60, 3,109,972.75 and 1,221,103.11

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Solution

The fourth proportional to 2,253,595.60, 3,109,972.75 and 1,221,103.11 is: 1,685,128.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253,595.60 : 3,109,972.75 = 1,221,103.11 : x
  2. Step 2: Convert to fraction form
    2,253,595.60/3,109,972.75 = 1,221,103.11/x
  3. Step 3: Cross multiply
    2,253,595.60x = 3,109,972.75 × 1,221,103.11
  4. Step 4: Simplify right side
    2,253,595.60x = 3,797,597,404,397.83
  5. Step 5: Solve for x
    x = 3,797,597,404,397.83/2,253,595.60
  6. Step 6: Final answer
    x = 1,685,128.16

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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.