Home / 2,217,538.40-3,060,200.40-1,198,940.72

Finding the Fourth Proportional to 2,217,538.40, 3,060,200.40 and 1,198,940.72

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Solution

The fourth proportional to 2,217,538.40, 3,060,200.40 and 1,198,940.72 is: 1,654,536.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217,538.40 : 3,060,200.40 = 1,198,940.72 : x
  2. Step 2: Convert to fraction form
    2,217,538.40/3,060,200.40 = 1,198,940.72/x
  3. Step 3: Cross multiply
    2,217,538.40x = 3,060,200.40 × 1,198,940.72
  4. Step 4: Simplify right side
    2,217,538.40x = 3,668,998,870,920.29
  5. Step 5: Solve for x
    x = 3,668,998,870,920.29/2,217,538.40
  6. Step 6: Final answer
    x = 1,654,536.79

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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.