Home / 2,211,722.55-3,311,219.66-1,980,935.73

Finding the Fourth Proportional to 2,211,722.55, 3,311,219.66 and 1,980,935.73

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Solution

The fourth proportional to 2,211,722.55, 3,311,219.66 and 1,980,935.73 is: 2,965,703.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,722.55 : 3,311,219.66 = 1,980,935.73 : x
  2. Step 2: Convert to fraction form
    2,211,722.55/3,311,219.66 = 1,980,935.73/x
  3. Step 3: Cross multiply
    2,211,722.55x = 3,311,219.66 × 1,980,935.73
  4. Step 4: Simplify right side
    2,211,722.55x = 6,559,313,324,467.77
  5. Step 5: Solve for x
    x = 6,559,313,324,467.77/2,211,722.55
  6. Step 6: Final answer
    x = 2,965,703.51

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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.