Home / 2,168,976.78-2,992,503.96-1,251,082.89

Finding the Fourth Proportional to 2,168,976.78, 2,992,503.96 and 1,251,082.89

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Solution

The fourth proportional to 2,168,976.78, 2,992,503.96 and 1,251,082.89 is: 1,726,099.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168,976.78 : 2,992,503.96 = 1,251,082.89 : x
  2. Step 2: Convert to fraction form
    2,168,976.78/2,992,503.96 = 1,251,082.89/x
  3. Step 3: Cross multiply
    2,168,976.78x = 2,992,503.96 × 1,251,082.89
  4. Step 4: Simplify right side
    2,168,976.78x = 3,743,870,502,613.24
  5. Step 5: Solve for x
    x = 3,743,870,502,613.24/2,168,976.78
  6. Step 6: Final answer
    x = 1,726,099.85

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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.