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Finding the Fourth Proportional to 3,503,277.72, 4,834,858.14 and 2,196,737.88

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Solution

The fourth proportional to 3,503,277.72, 4,834,858.14 and 2,196,737.88 is: 3,031,708.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503,277.72 : 4,834,858.14 = 2,196,737.88 : x
  2. Step 2: Convert to fraction form
    3,503,277.72/4,834,858.14 = 2,196,737.88/x
  3. Step 3: Cross multiply
    3,503,277.72x = 4,834,858.14 × 2,196,737.88
  4. Step 4: Simplify right side
    3,503,277.72x = 10,620,916,020,564.34
  5. Step 5: Solve for x
    x = 10,620,916,020,564.34/3,503,277.72
  6. Step 6: Final answer
    x = 3,031,708.27

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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.