Home / 2,812,378.80-4,212,663.30-2,339,986.80

Finding the Fourth Proportional to 2,812,378.80, 4,212,663.30 and 2,339,986.80

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Solution

The fourth proportional to 2,812,378.80, 4,212,663.30 and 2,339,986.80 is: 3,505,067.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,378.80 : 4,212,663.30 = 2,339,986.80 : x
  2. Step 2: Convert to fraction form
    2,812,378.80/4,212,663.30 = 2,339,986.80/x
  3. Step 3: Cross multiply
    2,812,378.80x = 4,212,663.30 × 2,339,986.80
  4. Step 4: Simplify right side
    2,812,378.80x = 9,857,576,514,844.44
  5. Step 5: Solve for x
    x = 9,857,576,514,844.44/2,812,378.80
  6. Step 6: Final answer
    x = 3,505,067.14

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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.