Home / 5,310,841.11-7,936,028.53-3,987,674.36

Finding the Fourth Proportional to 5,310,841.11, 7,936,028.53 and 3,987,674.36

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Solution

The fourth proportional to 5,310,841.11, 7,936,028.53 and 3,987,674.36 is: 5,958,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310,841.11 : 7,936,028.53 = 3,987,674.36 : x
  2. Step 2: Convert to fraction form
    5,310,841.11/7,936,028.53 = 3,987,674.36/x
  3. Step 3: Cross multiply
    5,310,841.11x = 7,936,028.53 × 3,987,674.36
  4. Step 4: Simplify right side
    5,310,841.11x = 31,646,297,489,309.49
  5. Step 5: Solve for x
    x = 31,646,297,489,309.49/5,310,841.11
  6. Step 6: Final answer
    x = 5,958,810.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.