Home / 3,181,996.82-4,393,352.43-2,978,720.64

Finding the Fourth Proportional to 3,181,996.82, 4,393,352.43 and 2,978,720.64

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Solution

The fourth proportional to 3,181,996.82, 4,393,352.43 and 2,978,720.64 is: 4,112,690.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,996.82 : 4,393,352.43 = 2,978,720.64 : x
  2. Step 2: Convert to fraction form
    3,181,996.82/4,393,352.43 = 2,978,720.64/x
  3. Step 3: Cross multiply
    3,181,996.82x = 4,393,352.43 × 2,978,720.64
  4. Step 4: Simplify right side
    3,181,996.82x = 13,086,569,562,035.15
  5. Step 5: Solve for x
    x = 13,086,569,562,035.15/3,181,996.82
  6. Step 6: Final answer
    x = 4,112,690.97

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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.