Home / 2,100,964.92-3,151,890.25-680,910.28

Finding the Fourth Proportional to 2,100,964.92, 3,151,890.25 and 680,910.28

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Solution

The fourth proportional to 2,100,964.92, 3,151,890.25 and 680,910.28 is: 1,021,508.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,964.92 : 3,151,890.25 = 680,910.28 : x
  2. Step 2: Convert to fraction form
    2,100,964.92/3,151,890.25 = 680,910.28/x
  3. Step 3: Cross multiply
    2,100,964.92x = 3,151,890.25 × 680,910.28
  4. Step 4: Simplify right side
    2,100,964.92x = 2,146,154,472,656.77
  5. Step 5: Solve for x
    x = 2,146,154,472,656.77/2,100,964.92
  6. Step 6: Final answer
    x = 1,021,508.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.