Home / 2,728,288.05-4,093,908.30-1,131,012.60

Finding the Fourth Proportional to 2,728,288.05, 4,093,908.30 and 1,131,012.60

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Solution

The fourth proportional to 2,728,288.05, 4,093,908.30 and 1,131,012.60 is: 1,697,130.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,288.05 : 4,093,908.30 = 1,131,012.60 : x
  2. Step 2: Convert to fraction form
    2,728,288.05/4,093,908.30 = 1,131,012.60/x
  3. Step 3: Cross multiply
    2,728,288.05x = 4,093,908.30 × 1,131,012.60
  4. Step 4: Simplify right side
    2,728,288.05x = 4,630,261,870,544.58
  5. Step 5: Solve for x
    x = 4,630,261,870,544.58/2,728,288.05
  6. Step 6: Final answer
    x = 1,697,130.87

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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.