Home / 3,405,822.89-5,111,128.49-3,080,214.23

Finding the Fourth Proportional to 3,405,822.89, 5,111,128.49 and 3,080,214.23

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Solution

The fourth proportional to 3,405,822.89, 5,111,128.49 and 3,080,214.23 is: 4,622,486.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405,822.89 : 5,111,128.49 = 3,080,214.23 : x
  2. Step 2: Convert to fraction form
    3,405,822.89/5,111,128.49 = 3,080,214.23/x
  3. Step 3: Cross multiply
    3,405,822.89x = 5,111,128.49 × 3,080,214.23
  4. Step 4: Simplify right side
    3,405,822.89x = 15,743,370,665,299.70
  5. Step 5: Solve for x
    x = 15,743,370,665,299.70/3,405,822.89
  6. Step 6: Final answer
    x = 4,622,486.61

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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.