Home / 2,081,071-3,120,172.26-819,043.48

Finding the Fourth Proportional to 2,081,071, 3,120,172.26 and 819,043.48

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Solution

The fourth proportional to 2,081,071, 3,120,172.26 and 819,043.48 is: 1,228,000.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,071 : 3,120,172.26 = 819,043.48 : x
  2. Step 2: Convert to fraction form
    2,081,071/3,120,172.26 = 819,043.48/x
  3. Step 3: Cross multiply
    2,081,071x = 3,120,172.26 × 819,043.48
  4. Step 4: Simplify right side
    2,081,071x = 2,555,556,746,029.86
  5. Step 5: Solve for x
    x = 2,555,556,746,029.86/2,081,071
  6. Step 6: Final answer
    x = 1,228,000.75

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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.