Home / 3,280,708.80-4,921,063.20-2,079,061.65

Finding the Fourth Proportional to 3,280,708.80, 4,921,063.20 and 2,079,061.65

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Solution

The fourth proportional to 3,280,708.80, 4,921,063.20 and 2,079,061.65 is: 3,118,592.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,708.80 : 4,921,063.20 = 2,079,061.65 : x
  2. Step 2: Convert to fraction form
    3,280,708.80/4,921,063.20 = 2,079,061.65/x
  3. Step 3: Cross multiply
    3,280,708.80x = 4,921,063.20 × 2,079,061.65
  4. Step 4: Simplify right side
    3,280,708.80x = 10,231,193,776,346.28
  5. Step 5: Solve for x
    x = 10,231,193,776,346.28/3,280,708.80
  6. Step 6: Final answer
    x = 3,118,592.48

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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.