Home / 3,929,950.98-5,423,276.76-2,211,067.38

Finding the Fourth Proportional to 3,929,950.98, 5,423,276.76 and 2,211,067.38

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Solution

The fourth proportional to 3,929,950.98, 5,423,276.76 and 2,211,067.38 is: 3,051,241.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,950.98 : 5,423,276.76 = 2,211,067.38 : x
  2. Step 2: Convert to fraction form
    3,929,950.98/5,423,276.76 = 2,211,067.38/x
  3. Step 3: Cross multiply
    3,929,950.98x = 5,423,276.76 × 2,211,067.38
  4. Step 4: Simplify right side
    3,929,950.98x = 11,991,230,336,748.09
  5. Step 5: Solve for x
    x = 11,991,230,336,748.09/3,929,950.98
  6. Step 6: Final answer
    x = 3,051,241.71

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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.