Home / 1,691,910.64-2,531,935.68-1,212,666.85

Finding the Fourth Proportional to 1,691,910.64, 2,531,935.68 and 1,212,666.85

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Solution

The fourth proportional to 1,691,910.64, 2,531,935.68 and 1,212,666.85 is: 1,814,749.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,910.64 : 2,531,935.68 = 1,212,666.85 : x
  2. Step 2: Convert to fraction form
    1,691,910.64/2,531,935.68 = 1,212,666.85/x
  3. Step 3: Cross multiply
    1,691,910.64x = 2,531,935.68 × 1,212,666.85
  4. Step 4: Simplify right side
    1,691,910.64x = 3,070,394,465,468.21
  5. Step 5: Solve for x
    x = 3,070,394,465,468.21/1,691,910.64
  6. Step 6: Final answer
    x = 1,814,749.78

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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.