Home / 2,152,876.56-3,229,770.45-636,439.92

Finding the Fourth Proportional to 2,152,876.56, 3,229,770.45 and 636,439.92

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Solution

The fourth proportional to 2,152,876.56, 3,229,770.45 and 636,439.92 is: 954,794.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152,876.56 : 3,229,770.45 = 636,439.92 : x
  2. Step 2: Convert to fraction form
    2,152,876.56/3,229,770.45 = 636,439.92/x
  3. Step 3: Cross multiply
    2,152,876.56x = 3,229,770.45 × 636,439.92
  4. Step 4: Simplify right side
    2,152,876.56x = 2,055,554,846,816.36
  5. Step 5: Solve for x
    x = 2,055,554,846,816.36/2,152,876.56
  6. Step 6: Final answer
    x = 954,794.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.