Home / 3,929,083.60-5,893,625.40-1,404,821.20

Finding the Fourth Proportional to 3,929,083.60, 5,893,625.40 and 1,404,821.20

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Solution

The fourth proportional to 3,929,083.60, 5,893,625.40 and 1,404,821.20 is: 2,107,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929,083.60 : 5,893,625.40 = 1,404,821.20 : x
  2. Step 2: Convert to fraction form
    3,929,083.60/5,893,625.40 = 1,404,821.20/x
  3. Step 3: Cross multiply
    3,929,083.60x = 5,893,625.40 × 1,404,821.20
  4. Step 4: Simplify right side
    3,929,083.60x = 8,279,489,906,778.48
  5. Step 5: Solve for x
    x = 8,279,489,906,778.48/3,929,083.60
  6. Step 6: Final answer
    x = 2,107,231.80

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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.