Home / 3,728,790.92-5,145,680.79-2,097,197.87

Finding the Fourth Proportional to 3,728,790.92, 5,145,680.79 and 2,097,197.87

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Solution

The fourth proportional to 3,728,790.92, 5,145,680.79 and 2,097,197.87 is: 2,894,104.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728,790.92 : 5,145,680.79 = 2,097,197.87 : x
  2. Step 2: Convert to fraction form
    3,728,790.92/5,145,680.79 = 2,097,197.87/x
  3. Step 3: Cross multiply
    3,728,790.92x = 5,145,680.79 × 2,097,197.87
  4. Step 4: Simplify right side
    3,728,790.92x = 10,791,510,766,759.51
  5. Step 5: Solve for x
    x = 10,791,510,766,759.51/3,728,790.92
  6. Step 6: Final answer
    x = 2,894,104.55

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1.5x scale

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.