Home / 3,176,912.75-4,384,168.34-1,726,611.59

Finding the Fourth Proportional to 3,176,912.75, 4,384,168.34 and 1,726,611.59

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Solution

The fourth proportional to 3,176,912.75, 4,384,168.34 and 1,726,611.59 is: 2,382,739.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176,912.75 : 4,384,168.34 = 1,726,611.59 : x
  2. Step 2: Convert to fraction form
    3,176,912.75/4,384,168.34 = 1,726,611.59/x
  3. Step 3: Cross multiply
    3,176,912.75x = 4,384,168.34 × 1,726,611.59
  4. Step 4: Simplify right side
    3,176,912.75x = 7,569,755,870,682.42
  5. Step 5: Solve for x
    x = 7,569,755,870,682.42/3,176,912.75
  6. Step 6: Final answer
    x = 2,382,739.62

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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.