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Finding the Fourth Proportional to 2,957,786.91, 4,081,745.94 and 1,599,659.91

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Solution

The fourth proportional to 2,957,786.91, 4,081,745.94 and 1,599,659.91 is: 2,207,530.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957,786.91 : 4,081,745.94 = 1,599,659.91 : x
  2. Step 2: Convert to fraction form
    2,957,786.91/4,081,745.94 = 1,599,659.91/x
  3. Step 3: Cross multiply
    2,957,786.91x = 4,081,745.94 × 1,599,659.91
  4. Step 4: Simplify right side
    2,957,786.91x = 6,529,405,343,023.27
  5. Step 5: Solve for x
    x = 6,529,405,343,023.27/2,957,786.91
  6. Step 6: Final answer
    x = 2,207,530.68

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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.