Home / 5,172,669.72-7,137,982.85-3,801,770.64

Finding the Fourth Proportional to 5,172,669.72, 7,137,982.85 and 3,801,770.64

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Solution

The fourth proportional to 5,172,669.72, 7,137,982.85 and 3,801,770.64 is: 5,246,221.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,669.72 : 7,137,982.85 = 3,801,770.64 : x
  2. Step 2: Convert to fraction form
    5,172,669.72/7,137,982.85 = 3,801,770.64/x
  3. Step 3: Cross multiply
    5,172,669.72x = 7,137,982.85 × 3,801,770.64
  4. Step 4: Simplify right side
    5,172,669.72x = 27,136,973,608,944.67
  5. Step 5: Solve for x
    x = 27,136,973,608,944.67/5,172,669.72
  6. Step 6: Final answer
    x = 5,246,221.99

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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.