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Finding the Fourth Proportional to 2,883,143.78, 3,978,821.46 and 1,594,067.38

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Solution

The fourth proportional to 2,883,143.78, 3,978,821.46 and 1,594,067.38 is: 2,199,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,883,143.78 : 3,978,821.46 = 1,594,067.38 : x
  2. Step 2: Convert to fraction form
    2,883,143.78/3,978,821.46 = 1,594,067.38/x
  3. Step 3: Cross multiply
    2,883,143.78x = 3,978,821.46 × 1,594,067.38
  4. Step 4: Simplify right side
    2,883,143.78x = 6,342,509,500,229.98
  5. Step 5: Solve for x
    x = 6,342,509,500,229.98/2,883,143.78
  6. Step 6: Final answer
    x = 2,199,858.90

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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.