Home / 3,912,028.80-5,398,858.71-2,193,260.64

Finding the Fourth Proportional to 3,912,028.80, 5,398,858.71 and 2,193,260.64

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Solution

The fourth proportional to 3,912,028.80, 5,398,858.71 and 2,193,260.64 is: 3,026,844.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,028.80 : 5,398,858.71 = 2,193,260.64 : x
  2. Step 2: Convert to fraction form
    3,912,028.80/5,398,858.71 = 2,193,260.64/x
  3. Step 3: Cross multiply
    3,912,028.80x = 5,398,858.71 × 2,193,260.64
  4. Step 4: Simplify right side
    3,912,028.80x = 11,841,104,309,564.18
  5. Step 5: Solve for x
    x = 11,841,104,309,564.18/3,912,028.80
  6. Step 6: Final answer
    x = 3,026,844.87

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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.