Home / 2,158,781.11-3,238,165.28-879,087.22

Finding the Fourth Proportional to 2,158,781.11, 3,238,165.28 and 879,087.22

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Solution

The fourth proportional to 2,158,781.11, 3,238,165.28 and 879,087.22 is: 1,318,628.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,781.11 : 3,238,165.28 = 879,087.22 : x
  2. Step 2: Convert to fraction form
    2,158,781.11/3,238,165.28 = 879,087.22/x
  3. Step 3: Cross multiply
    2,158,781.11x = 3,238,165.28 × 879,087.22
  4. Step 4: Simplify right side
    2,158,781.11x = 2,846,629,713,895.72
  5. Step 5: Solve for x
    x = 2,846,629,713,895.72/2,158,781.11
  6. Step 6: Final answer
    x = 1,318,628.23

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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.