Home / 6,404,229.09-8,840,721.78-4,084,234.92

Finding the Fourth Proportional to 6,404,229.09, 8,840,721.78 and 4,084,234.92

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Solution

The fourth proportional to 6,404,229.09, 8,840,721.78 and 4,084,234.92 is: 5,638,084.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,404,229.09 : 8,840,721.78 = 4,084,234.92 : x
  2. Step 2: Convert to fraction form
    6,404,229.09/8,840,721.78 = 4,084,234.92/x
  3. Step 3: Cross multiply
    6,404,229.09x = 8,840,721.78 × 4,084,234.92
  4. Step 4: Simplify right side
    6,404,229.09x = 36,107,584,611,880.55
  5. Step 5: Solve for x
    x = 36,107,584,611,880.55/6,404,229.09
  6. Step 6: Final answer
    x = 5,638,084.48

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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.