Home / 6,722,717.87-9,274,706.88-4,139,914.61

Finding the Fourth Proportional to 6,722,717.87, 9,274,706.88 and 4,139,914.61

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Solution

The fourth proportional to 6,722,717.87, 9,274,706.88 and 4,139,914.61 is: 5,711,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722,717.87 : 9,274,706.88 = 4,139,914.61 : x
  2. Step 2: Convert to fraction form
    6,722,717.87/9,274,706.88 = 4,139,914.61/x
  3. Step 3: Cross multiply
    6,722,717.87x = 9,274,706.88 × 4,139,914.61
  4. Step 4: Simplify right side
    6,722,717.87x = 38,396,494,515,979.52
  5. Step 5: Solve for x
    x = 38,396,494,515,979.52/6,722,717.87
  6. Step 6: Final answer
    x = 5,711,454.10

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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.