Home / 3,228,739-4,455,659.82-1,871,399.32

Finding the Fourth Proportional to 3,228,739, 4,455,659.82 and 1,871,399.32

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Solution

The fourth proportional to 3,228,739, 4,455,659.82 and 1,871,399.32 is: 2,582,531.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228,739 : 4,455,659.82 = 1,871,399.32 : x
  2. Step 2: Convert to fraction form
    3,228,739/4,455,659.82 = 1,871,399.32/x
  3. Step 3: Cross multiply
    3,228,739x = 4,455,659.82 × 1,871,399.32
  4. Step 4: Simplify right side
    3,228,739x = 8,338,318,757,299.32
  5. Step 5: Solve for x
    x = 8,338,318,757,299.32/3,228,739
  6. Step 6: Final answer
    x = 2,582,531.06

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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.