Home / 3,915,808.19-5,873,995.39-1,639,042.78

Finding the Fourth Proportional to 3,915,808.19, 5,873,995.39 and 1,639,042.78

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Solution

The fourth proportional to 3,915,808.19, 5,873,995.39 and 1,639,042.78 is: 2,458,682.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,808.19 : 5,873,995.39 = 1,639,042.78 : x
  2. Step 2: Convert to fraction form
    3,915,808.19/5,873,995.39 = 1,639,042.78/x
  3. Step 3: Cross multiply
    3,915,808.19x = 5,873,995.39 × 1,639,042.78
  4. Step 4: Simplify right side
    3,915,808.19x = 9,627,729,733,732.78
  5. Step 5: Solve for x
    x = 9,627,729,733,732.78/3,915,808.19
  6. Step 6: Final answer
    x = 2,458,682.67

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.