Home / 3,681,379.32-5,080,242.78-2,153,745.24

Finding the Fourth Proportional to 3,681,379.32, 5,080,242.78 and 2,153,745.24

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Solution

The fourth proportional to 3,681,379.32, 5,080,242.78 and 2,153,745.24 is: 2,972,132.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681,379.32 : 5,080,242.78 = 2,153,745.24 : x
  2. Step 2: Convert to fraction form
    3,681,379.32/5,080,242.78 = 2,153,745.24/x
  3. Step 3: Cross multiply
    3,681,379.32x = 5,080,242.78 × 2,153,745.24
  4. Step 4: Simplify right side
    3,681,379.32x = 10,941,548,705,469.37
  5. Step 5: Solve for x
    x = 10,941,548,705,469.37/3,681,379.32
  6. Step 6: Final answer
    x = 2,972,132.93

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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.