Home / 2,662,859.16-3,993,895.08-979,569

Finding the Fourth Proportional to 2,662,859.16, 3,993,895.08 and 979,569

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Solution

The fourth proportional to 2,662,859.16, 3,993,895.08 and 979,569 is: 1,469,208.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,662,859.16 : 3,993,895.08 = 979,569 : x
  2. Step 2: Convert to fraction form
    2,662,859.16/3,993,895.08 = 979,569/x
  3. Step 3: Cross multiply
    2,662,859.16x = 3,993,895.08 × 979,569
  4. Step 4: Simplify right side
    2,662,859.16x = 3,912,295,809,620.52
  5. Step 5: Solve for x
    x = 3,912,295,809,620.52/2,662,859.16
  6. Step 6: Final answer
    x = 1,469,208.69

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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.