Home / 3,821,005.68-5,731,507.46-2,619,284.72

Finding the Fourth Proportional to 3,821,005.68, 5,731,507.46 and 2,619,284.72

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Solution

The fourth proportional to 3,821,005.68, 5,731,507.46 and 2,619,284.72 is: 3,928,926.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821,005.68 : 5,731,507.46 = 2,619,284.72 : x
  2. Step 2: Convert to fraction form
    3,821,005.68/5,731,507.46 = 2,619,284.72/x
  3. Step 3: Cross multiply
    3,821,005.68x = 5,731,507.46 × 2,619,284.72
  4. Step 4: Simplify right side
    3,821,005.68x = 15,012,449,870,790.05
  5. Step 5: Solve for x
    x = 15,012,449,870,790.05/3,821,005.68
  6. Step 6: Final answer
    x = 3,928,926.34

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Why These Related Problems?

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