Home / 3,054,128.55-4,213,138.44-1,950,399.78

Finding the Fourth Proportional to 3,054,128.55, 4,213,138.44 and 1,950,399.78

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Solution

The fourth proportional to 3,054,128.55, 4,213,138.44 and 1,950,399.78 is: 2,690,556.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054,128.55 : 4,213,138.44 = 1,950,399.78 : x
  2. Step 2: Convert to fraction form
    3,054,128.55/4,213,138.44 = 1,950,399.78/x
  3. Step 3: Cross multiply
    3,054,128.55x = 4,213,138.44 × 1,950,399.78
  4. Step 4: Simplify right side
    3,054,128.55x = 8,217,304,286,485.54
  5. Step 5: Solve for x
    x = 8,217,304,286,485.54/3,054,128.55
  6. Step 6: Final answer
    x = 2,690,556.13

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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.