Home / 2,177,531.15-3,266,085.54-661,227.21

Finding the Fourth Proportional to 2,177,531.15, 3,266,085.54 and 661,227.21

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Solution

The fourth proportional to 2,177,531.15, 3,266,085.54 and 661,227.21 is: 991,776.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,531.15 : 3,266,085.54 = 661,227.21 : x
  2. Step 2: Convert to fraction form
    2,177,531.15/3,266,085.54 = 661,227.21/x
  3. Step 3: Cross multiply
    2,177,531.15x = 3,266,085.54 × 661,227.21
  4. Step 4: Simplify right side
    2,177,531.15x = 2,159,624,629,235.54
  5. Step 5: Solve for x
    x = 2,159,624,629,235.54/2,177,531.15
  6. Step 6: Final answer
    x = 991,776.69

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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.