Home / 2,080,383.80-3,118,607.40-1,228,109.90

Finding the Fourth Proportional to 2,080,383.80, 3,118,607.40 and 1,228,109.90

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Solution

The fourth proportional to 2,080,383.80, 3,118,607.40 and 1,228,109.90 is: 1,841,002.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,383.80 : 3,118,607.40 = 1,228,109.90 : x
  2. Step 2: Convert to fraction form
    2,080,383.80/3,118,607.40 = 1,228,109.90/x
  3. Step 3: Cross multiply
    2,080,383.80x = 3,118,607.40 × 1,228,109.90
  4. Step 4: Simplify right side
    2,080,383.80x = 3,829,992,622,153.26
  5. Step 5: Solve for x
    x = 3,829,992,622,153.26/2,080,383.80
  6. Step 6: Final answer
    x = 1,841,002.91

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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.