Home / 3,879,863.49-5,353,662.45-2,203,388.56

Finding the Fourth Proportional to 3,879,863.49, 5,353,662.45 and 2,203,388.56

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Solution

The fourth proportional to 3,879,863.49, 5,353,662.45 and 2,203,388.56 is: 3,040,364.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,863.49 : 5,353,662.45 = 2,203,388.56 : x
  2. Step 2: Convert to fraction form
    3,879,863.49/5,353,662.45 = 2,203,388.56/x
  3. Step 3: Cross multiply
    3,879,863.49x = 5,353,662.45 × 2,203,388.56
  4. Step 4: Simplify right side
    3,879,863.49x = 11,796,198,596,431.57
  5. Step 5: Solve for x
    x = 11,796,198,596,431.57/3,879,863.49
  6. Step 6: Final answer
    x = 3,040,364.34

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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.