Home / 2,027,436.07-2,797,560.80-1,231,378.66

Finding the Fourth Proportional to 2,027,436.07, 2,797,560.80 and 1,231,378.66

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Solution

The fourth proportional to 2,027,436.07, 2,797,560.80 and 1,231,378.66 is: 1,699,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027,436.07 : 2,797,560.80 = 1,231,378.66 : x
  2. Step 2: Convert to fraction form
    2,027,436.07/2,797,560.80 = 1,231,378.66/x
  3. Step 3: Cross multiply
    2,027,436.07x = 2,797,560.80 × 1,231,378.66
  4. Step 4: Simplify right side
    2,027,436.07x = 3,444,856,669,172.53
  5. Step 5: Solve for x
    x = 3,444,856,669,172.53/2,027,436.07
  6. Step 6: Final answer
    x = 1,699,119.75

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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.