Home / 2,749,936.50-4,125,016.53-1,309,879.62

Finding the Fourth Proportional to 2,749,936.50, 4,125,016.53 and 1,309,879.62

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Solution

The fourth proportional to 2,749,936.50, 4,125,016.53 and 1,309,879.62 is: 1,964,872.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749,936.50 : 4,125,016.53 = 1,309,879.62 : x
  2. Step 2: Convert to fraction form
    2,749,936.50/4,125,016.53 = 1,309,879.62/x
  3. Step 3: Cross multiply
    2,749,936.50x = 4,125,016.53 × 1,309,879.62
  4. Step 4: Simplify right side
    2,749,936.50x = 5,403,275,084,810.12
  5. Step 5: Solve for x
    x = 5,403,275,084,810.12/2,749,936.50
  6. Step 6: Final answer
    x = 1,964,872.67

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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.