Home / 2,271,620.80-3,404,536.80-1,207,172.80

Finding the Fourth Proportional to 2,271,620.80, 3,404,536.80 and 1,207,172.80

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Solution

The fourth proportional to 2,271,620.80, 3,404,536.80 and 1,207,172.80 is: 1,809,221.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,271,620.80 : 3,404,536.80 = 1,207,172.80 : x
  2. Step 2: Convert to fraction form
    2,271,620.80/3,404,536.80 = 1,207,172.80/x
  3. Step 3: Cross multiply
    2,271,620.80x = 3,404,536.80 × 1,207,172.80
  4. Step 4: Simplify right side
    2,271,620.80x = 4,109,864,221,559.04
  5. Step 5: Solve for x
    x = 4,109,864,221,559.04/2,271,620.80
  6. Step 6: Final answer
    x = 1,809,221.07

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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.