Home / 3,219,020.82-4,442,519.39-1,769,005.80

Finding the Fourth Proportional to 3,219,020.82, 4,442,519.39 and 1,769,005.80

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Solution

The fourth proportional to 3,219,020.82, 4,442,519.39 and 1,769,005.80 is: 2,441,376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,020.82 : 4,442,519.39 = 1,769,005.80 : x
  2. Step 2: Convert to fraction form
    3,219,020.82/4,442,519.39 = 1,769,005.80/x
  3. Step 3: Cross multiply
    3,219,020.82x = 4,442,519.39 × 1,769,005.80
  4. Step 4: Simplify right side
    3,219,020.82x = 7,858,842,558,677.43
  5. Step 5: Solve for x
    x = 7,858,842,558,677.43/3,219,020.82
  6. Step 6: Final answer
    x = 2,441,376.74

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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.