Home / 1,815,425.70-2,723,138.55-1,019,163.30

Finding the Fourth Proportional to 1,815,425.70, 2,723,138.55 and 1,019,163.30

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Solution

The fourth proportional to 1,815,425.70, 2,723,138.55 and 1,019,163.30 is: 1,528,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,425.70 : 2,723,138.55 = 1,019,163.30 : x
  2. Step 2: Convert to fraction form
    1,815,425.70/2,723,138.55 = 1,019,163.30/x
  3. Step 3: Cross multiply
    1,815,425.70x = 2,723,138.55 × 1,019,163.30
  4. Step 4: Simplify right side
    1,815,425.70x = 2,775,322,870,975.22
  5. Step 5: Solve for x
    x = 2,775,322,870,975.22/1,815,425.70
  6. Step 6: Final answer
    x = 1,528,744.95

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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.