Home / 2,138,966-2,951,773.08-1,279,562.48

Finding the Fourth Proportional to 2,138,966, 2,951,773.08 and 1,279,562.48

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Solution

The fourth proportional to 2,138,966, 2,951,773.08 and 1,279,562.48 is: 1,765,796.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,966 : 2,951,773.08 = 1,279,562.48 : x
  2. Step 2: Convert to fraction form
    2,138,966/2,951,773.08 = 1,279,562.48/x
  3. Step 3: Cross multiply
    2,138,966x = 2,951,773.08 × 1,279,562.48
  4. Step 4: Simplify right side
    2,138,966x = 3,776,978,082,642.04
  5. Step 5: Solve for x
    x = 3,776,978,082,642.04/2,138,966
  6. Step 6: Final answer
    x = 1,765,796.22

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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.