Home / 2,100,906.30-3,151,359.45-681,008.70

Finding the Fourth Proportional to 2,100,906.30, 3,151,359.45 and 681,008.70

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Solution

The fourth proportional to 2,100,906.30, 3,151,359.45 and 681,008.70 is: 1,021,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,906.30 : 3,151,359.45 = 681,008.70 : x
  2. Step 2: Convert to fraction form
    2,100,906.30/3,151,359.45 = 681,008.70/x
  3. Step 3: Cross multiply
    2,100,906.30x = 3,151,359.45 × 681,008.70
  4. Step 4: Simplify right side
    2,100,906.30x = 2,146,103,202,277.22
  5. Step 5: Solve for x
    x = 2,146,103,202,277.22/2,100,906.30
  6. Step 6: Final answer
    x = 1,021,513.05

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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.