Home / 3,936,379.92-5,432,179.32-2,218,053.84

Finding the Fourth Proportional to 3,936,379.92, 5,432,179.32 and 2,218,053.84

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Solution

The fourth proportional to 3,936,379.92, 5,432,179.32 and 2,218,053.84 is: 3,060,900.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,379.92 : 5,432,179.32 = 2,218,053.84 : x
  2. Step 2: Convert to fraction form
    3,936,379.92/5,432,179.32 = 2,218,053.84/x
  3. Step 3: Cross multiply
    3,936,379.92x = 5,432,179.32 × 2,218,053.84
  4. Step 4: Simplify right side
    3,936,379.92x = 12,048,866,200,294.59
  5. Step 5: Solve for x
    x = 12,048,866,200,294.59/3,936,379.92
  6. Step 6: Final answer
    x = 3,060,900.23

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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.