Home / 2,311,799.22-3,469,068.75-1,287,986.44

Finding the Fourth Proportional to 2,311,799.22, 3,469,068.75 and 1,287,986.44

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Solution

The fourth proportional to 2,311,799.22, 3,469,068.75 and 1,287,986.44 is: 1,932,742.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311,799.22 : 3,469,068.75 = 1,287,986.44 : x
  2. Step 2: Convert to fraction form
    2,311,799.22/3,469,068.75 = 1,287,986.44/x
  3. Step 3: Cross multiply
    2,311,799.22x = 3,469,068.75 × 1,287,986.44
  4. Step 4: Simplify right side
    2,311,799.22x = 4,468,113,509,427.75
  5. Step 5: Solve for x
    x = 4,468,113,509,427.75/2,311,799.22
  6. Step 6: Final answer
    x = 1,932,742.89

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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.