Home / 2,117,605.12-3,177,000.60-856,318.48

Finding the Fourth Proportional to 2,117,605.12, 3,177,000.60 and 856,318.48

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Solution

The fourth proportional to 2,117,605.12, 3,177,000.60 and 856,318.48 is: 1,284,717.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,605.12 : 3,177,000.60 = 856,318.48 : x
  2. Step 2: Convert to fraction form
    2,117,605.12/3,177,000.60 = 856,318.48/x
  3. Step 3: Cross multiply
    2,117,605.12x = 3,177,000.60 × 856,318.48
  4. Step 4: Simplify right side
    2,117,605.12x = 2,720,524,324,751.09
  5. Step 5: Solve for x
    x = 2,720,524,324,751.09/2,117,605.12
  6. Step 6: Final answer
    x = 1,284,717.49

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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.