Home / 3,895,231.96-5,375,698.25-2,152,863.90

Finding the Fourth Proportional to 3,895,231.96, 5,375,698.25 and 2,152,863.90

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Solution

The fourth proportional to 3,895,231.96, 5,375,698.25 and 2,152,863.90 is: 2,971,105.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895,231.96 : 5,375,698.25 = 2,152,863.90 : x
  2. Step 2: Convert to fraction form
    3,895,231.96/5,375,698.25 = 2,152,863.90/x
  3. Step 3: Cross multiply
    3,895,231.96x = 5,375,698.25 × 2,152,863.90
  4. Step 4: Simplify right side
    3,895,231.96x = 11,573,146,715,059.12
  5. Step 5: Solve for x
    x = 11,573,146,715,059.12/3,895,231.96
  6. Step 6: Final answer
    x = 2,971,105.92

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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.