Home / 2,813,876.82-4,220,778.51-683,954.82

Finding the Fourth Proportional to 2,813,876.82, 4,220,778.51 and 683,954.82

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Solution

The fourth proportional to 2,813,876.82, 4,220,778.51 and 683,954.82 is: 1,025,923.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813,876.82 : 4,220,778.51 = 683,954.82 : x
  2. Step 2: Convert to fraction form
    2,813,876.82/4,220,778.51 = 683,954.82/x
  3. Step 3: Cross multiply
    2,813,876.82x = 4,220,778.51 × 683,954.82
  4. Step 4: Simplify right side
    2,813,876.82x = 2,886,821,806,066.92
  5. Step 5: Solve for x
    x = 2,886,821,806,066.92/2,813,876.82
  6. Step 6: Final answer
    x = 1,025,923.30

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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.