Home / 2,080,382.80-3,118,605.90-1,228,108.90

Finding the Fourth Proportional to 2,080,382.80, 3,118,605.90 and 1,228,108.90

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Solution

The fourth proportional to 2,080,382.80, 3,118,605.90 and 1,228,108.90 is: 1,841,001.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,382.80 : 3,118,605.90 = 1,228,108.90 : x
  2. Step 2: Convert to fraction form
    2,080,382.80/3,118,605.90 = 1,228,108.90/x
  3. Step 3: Cross multiply
    2,080,382.80x = 3,118,605.90 × 1,228,108.90
  4. Step 4: Simplify right side
    2,080,382.80x = 3,829,987,661,382.51
  5. Step 5: Solve for x
    x = 3,829,987,661,382.51/2,080,382.80
  6. Step 6: Final answer
    x = 1,841,001.41

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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.