Home / 2,211,729.86-3,311,230.62-1,980,943.04

Finding the Fourth Proportional to 2,211,729.86, 3,311,230.62 and 1,980,943.04

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Solution

The fourth proportional to 2,211,729.86, 3,311,230.62 and 1,980,943.04 is: 2,965,714.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,729.86 : 3,311,230.62 = 1,980,943.04 : x
  2. Step 2: Convert to fraction form
    2,211,729.86/3,311,230.62 = 1,980,943.04/x
  3. Step 3: Cross multiply
    2,211,729.86x = 3,311,230.62 × 1,980,943.04
  4. Step 4: Simplify right side
    2,211,729.86x = 6,559,359,266,230.50
  5. Step 5: Solve for x
    x = 6,559,359,266,230.50/2,211,729.86
  6. Step 6: Final answer
    x = 2,965,714.47

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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.