Home / 3,479,048.16-5,217,321.55-1,203,954.78

Finding the Fourth Proportional to 3,479,048.16, 5,217,321.55 and 1,203,954.78

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Solution

The fourth proportional to 3,479,048.16, 5,217,321.55 and 1,203,954.78 is: 1,805,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,048.16 : 5,217,321.55 = 1,203,954.78 : x
  2. Step 2: Convert to fraction form
    3,479,048.16/5,217,321.55 = 1,203,954.78/x
  3. Step 3: Cross multiply
    3,479,048.16x = 5,217,321.55 × 1,203,954.78
  4. Step 4: Simplify right side
    3,479,048.16x = 6,281,419,204,434.21
  5. Step 5: Solve for x
    x = 6,281,419,204,434.21/3,479,048.16
  6. Step 6: Final answer
    x = 1,805,499.35

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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.