Home / 3,208,769.49-4,813,162.44-812,614.38

Finding the Fourth Proportional to 3,208,769.49, 4,813,162.44 and 812,614.38

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Solution

The fourth proportional to 3,208,769.49, 4,813,162.44 and 812,614.38 is: 1,218,923.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,769.49 : 4,813,162.44 = 812,614.38 : x
  2. Step 2: Convert to fraction form
    3,208,769.49/4,813,162.44 = 812,614.38/x
  3. Step 3: Cross multiply
    3,208,769.49x = 4,813,162.44 × 812,614.38
  4. Step 4: Simplify right side
    3,208,769.49x = 3,911,245,012,019.89
  5. Step 5: Solve for x
    x = 3,911,245,012,019.89/3,208,769.49
  6. Step 6: Final answer
    x = 1,218,923.65

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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.