Home / 2,811,209.82-3,879,464.40-1,522,050

Finding the Fourth Proportional to 2,811,209.82, 3,879,464.40 and 1,522,050

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Solution

The fourth proportional to 2,811,209.82, 3,879,464.40 and 1,522,050 is: 2,100,426.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,209.82 : 3,879,464.40 = 1,522,050 : x
  2. Step 2: Convert to fraction form
    2,811,209.82/3,879,464.40 = 1,522,050/x
  3. Step 3: Cross multiply
    2,811,209.82x = 3,879,464.40 × 1,522,050
  4. Step 4: Simplify right side
    2,811,209.82x = 5,904,738,790,020
  5. Step 5: Solve for x
    x = 5,904,738,790,020/2,811,209.82
  6. Step 6: Final answer
    x = 2,100,426.21

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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.