Home / 3,781,523.61-5,217,015.46-2,328,696.78

Finding the Fourth Proportional to 3,781,523.61, 5,217,015.46 and 2,328,696.78

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Solution

The fourth proportional to 3,781,523.61, 5,217,015.46 and 2,328,696.78 is: 3,212,685.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,523.61 : 5,217,015.46 = 2,328,696.78 : x
  2. Step 2: Convert to fraction form
    3,781,523.61/5,217,015.46 = 2,328,696.78/x
  3. Step 3: Cross multiply
    3,781,523.61x = 5,217,015.46 × 2,328,696.78
  4. Step 4: Simplify right side
    3,781,523.61x = 12,148,847,102,912.22
  5. Step 5: Solve for x
    x = 12,148,847,102,912.22/3,781,523.61
  6. Step 6: Final answer
    x = 3,212,685.77

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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.