Home / 2,768,239.80-4,147,694.10-1,345,231.80

Finding the Fourth Proportional to 2,768,239.80, 4,147,694.10 and 1,345,231.80

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Solution

The fourth proportional to 2,768,239.80, 4,147,694.10 and 1,345,231.80 is: 2,015,580.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,239.80 : 4,147,694.10 = 1,345,231.80 : x
  2. Step 2: Convert to fraction form
    2,768,239.80/4,147,694.10 = 1,345,231.80/x
  3. Step 3: Cross multiply
    2,768,239.80x = 4,147,694.10 × 1,345,231.80
  4. Step 4: Simplify right side
    2,768,239.80x = 5,579,609,999,992.38
  5. Step 5: Solve for x
    x = 5,579,609,999,992.38/2,768,239.80
  6. Step 6: Final answer
    x = 2,015,580.44

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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.