Home / 3,934,448.57-5,904,184.30-1,911,589.61

Finding the Fourth Proportional to 3,934,448.57, 5,904,184.30 and 1,911,589.61

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Solution

The fourth proportional to 3,934,448.57, 5,904,184.30 and 1,911,589.61 is: 2,868,604.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934,448.57 : 5,904,184.30 = 1,911,589.61 : x
  2. Step 2: Convert to fraction form
    3,934,448.57/5,904,184.30 = 1,911,589.61/x
  3. Step 3: Cross multiply
    3,934,448.57x = 5,904,184.30 × 1,911,589.61
  4. Step 4: Simplify right side
    3,934,448.57x = 11,286,377,329,105.23
  5. Step 5: Solve for x
    x = 11,286,377,329,105.23/3,934,448.57
  6. Step 6: Final answer
    x = 2,868,604.61

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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.