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Finding the Fourth Proportional to 3,468,561.92, 4,786,471.68 and 1,898,682.56

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Solution

The fourth proportional to 3,468,561.92, 4,786,471.68 and 1,898,682.56 is: 2,620,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468,561.92 : 4,786,471.68 = 1,898,682.56 : x
  2. Step 2: Convert to fraction form
    3,468,561.92/4,786,471.68 = 1,898,682.56/x
  3. Step 3: Cross multiply
    3,468,561.92x = 4,786,471.68 × 1,898,682.56
  4. Step 4: Simplify right side
    3,468,561.92x = 9,087,990,302,749.90
  5. Step 5: Solve for x
    x = 9,087,990,302,749.90/3,468,561.92
  6. Step 6: Final answer
    x = 2,620,103.23

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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.