Home / 3,991,359.62-5,508,066.94-2,180,536.58

Finding the Fourth Proportional to 3,991,359.62, 5,508,066.94 and 2,180,536.58

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Solution

The fourth proportional to 3,991,359.62, 5,508,066.94 and 2,180,536.58 is: 3,009,135.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,359.62 : 5,508,066.94 = 2,180,536.58 : x
  2. Step 2: Convert to fraction form
    3,991,359.62/5,508,066.94 = 2,180,536.58/x
  3. Step 3: Cross multiply
    3,991,359.62x = 5,508,066.94 × 2,180,536.58
  4. Step 4: Simplify right side
    3,991,359.62x = 12,010,541,414,766.99
  5. Step 5: Solve for x
    x = 12,010,541,414,766.99/3,991,359.62
  6. Step 6: Final answer
    x = 3,009,135.38

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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.