Home / 2,100,396.97-3,151,156.10-752,695.81

Finding the Fourth Proportional to 2,100,396.97, 3,151,156.10 and 752,695.81

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Solution

The fourth proportional to 2,100,396.97, 3,151,156.10 and 752,695.81 is: 1,129,244.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,396.97 : 3,151,156.10 = 752,695.81 : x
  2. Step 2: Convert to fraction form
    2,100,396.97/3,151,156.10 = 752,695.81/x
  3. Step 3: Cross multiply
    2,100,396.97x = 3,151,156.10 × 752,695.81
  4. Step 4: Simplify right side
    2,100,396.97x = 2,371,861,993,125.94
  5. Step 5: Solve for x
    x = 2,371,861,993,125.94/2,100,396.97
  6. Step 6: Final answer
    x = 1,129,244.63

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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.