Home / 2,891,229.75-3,989,984.54-1,601,949.51

Finding the Fourth Proportional to 2,891,229.75, 3,989,984.54 and 1,601,949.51

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Solution

The fourth proportional to 2,891,229.75, 3,989,984.54 and 1,601,949.51 is: 2,210,738.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,229.75 : 3,989,984.54 = 1,601,949.51 : x
  2. Step 2: Convert to fraction form
    2,891,229.75/3,989,984.54 = 1,601,949.51/x
  3. Step 3: Cross multiply
    2,891,229.75x = 3,989,984.54 × 1,601,949.51
  4. Step 4: Simplify right side
    2,891,229.75x = 6,391,753,770,750.83
  5. Step 5: Solve for x
    x = 6,391,753,770,750.83/2,891,229.75
  6. Step 6: Final answer
    x = 2,210,738.79

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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.