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Finding the Fourth Proportional to 2,602,942.74, 3,910,408.11 and 1,846,661.94

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Solution

The fourth proportional to 2,602,942.74, 3,910,408.11 and 1,846,661.94 is: 2,774,245.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602,942.74 : 3,910,408.11 = 1,846,661.94 : x
  2. Step 2: Convert to fraction form
    2,602,942.74/3,910,408.11 = 1,846,661.94/x
  3. Step 3: Cross multiply
    2,602,942.74x = 3,910,408.11 × 1,846,661.94
  4. Step 4: Simplify right side
    2,602,942.74x = 7,221,201,826,604.33
  5. Step 5: Solve for x
    x = 7,221,201,826,604.33/2,602,942.74
  6. Step 6: Final answer
    x = 2,774,245.36

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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.