Home / 2,190,917.31-3,286,069.79-751,577.22

Finding the Fourth Proportional to 2,190,917.31, 3,286,069.79 and 751,577.22

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Solution

The fourth proportional to 2,190,917.31, 3,286,069.79 and 751,577.22 is: 1,127,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,917.31 : 3,286,069.79 = 751,577.22 : x
  2. Step 2: Convert to fraction form
    2,190,917.31/3,286,069.79 = 751,577.22/x
  3. Step 3: Cross multiply
    2,190,917.31x = 3,286,069.79 × 751,577.22
  4. Step 4: Simplify right side
    2,190,917.31x = 2,469,735,193,736.30
  5. Step 5: Solve for x
    x = 2,469,735,193,736.30/2,190,917.31
  6. Step 6: Final answer
    x = 1,127,260.80

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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.