Home / 3,879,104.85-5,816,634.30-1,448,256.78

Finding the Fourth Proportional to 3,879,104.85, 5,816,634.30 and 1,448,256.78

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Solution

The fourth proportional to 3,879,104.85, 5,816,634.30 and 1,448,256.78 is: 2,171,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,104.85 : 5,816,634.30 = 1,448,256.78 : x
  2. Step 2: Convert to fraction form
    3,879,104.85/5,816,634.30 = 1,448,256.78/x
  3. Step 3: Cross multiply
    3,879,104.85x = 5,816,634.30 × 1,448,256.78
  4. Step 4: Simplify right side
    3,879,104.85x = 8,423,980,061,755.55
  5. Step 5: Solve for x
    x = 8,423,980,061,755.55/3,879,104.85
  6. Step 6: Final answer
    x = 2,171,629.90

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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.