Home / 3,146,529.72-4,342,201.74-1,788,664.44

Finding the Fourth Proportional to 3,146,529.72, 4,342,201.74 and 1,788,664.44

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Solution

The fourth proportional to 3,146,529.72, 4,342,201.74 and 1,788,664.44 is: 2,468,351.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,529.72 : 4,342,201.74 = 1,788,664.44 : x
  2. Step 2: Convert to fraction form
    3,146,529.72/4,342,201.74 = 1,788,664.44/x
  3. Step 3: Cross multiply
    3,146,529.72x = 4,342,201.74 × 1,788,664.44
  4. Step 4: Simplify right side
    3,146,529.72x = 7,766,741,843,644.13
  5. Step 5: Solve for x
    x = 7,766,741,843,644.13/3,146,529.72
  6. Step 6: Final answer
    x = 2,468,351.66

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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.