Home / 3,875,947.22-5,348,754.96-2,157,067.28

Finding the Fourth Proportional to 3,875,947.22, 5,348,754.96 and 2,157,067.28

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Solution

The fourth proportional to 3,875,947.22, 5,348,754.96 and 2,157,067.28 is: 2,976,723.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875,947.22 : 5,348,754.96 = 2,157,067.28 : x
  2. Step 2: Convert to fraction form
    3,875,947.22/5,348,754.96 = 2,157,067.28/x
  3. Step 3: Cross multiply
    3,875,947.22x = 5,348,754.96 × 2,157,067.28
  4. Step 4: Simplify right side
    3,875,947.22x = 11,537,624,318,236.59
  5. Step 5: Solve for x
    x = 11,537,624,318,236.59/3,875,947.22
  6. Step 6: Final answer
    x = 2,976,723.79

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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.