Home / 3,511,612.80-5,264,265.60-1,383,148.80

Finding the Fourth Proportional to 3,511,612.80, 5,264,265.60 and 1,383,148.80

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Solution

The fourth proportional to 3,511,612.80, 5,264,265.60 and 1,383,148.80 is: 2,073,481.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511,612.80 : 5,264,265.60 = 1,383,148.80 : x
  2. Step 2: Convert to fraction form
    3,511,612.80/5,264,265.60 = 1,383,148.80/x
  3. Step 3: Cross multiply
    3,511,612.80x = 5,264,265.60 × 1,383,148.80
  4. Step 4: Simplify right side
    3,511,612.80x = 7,281,262,647,521.28
  5. Step 5: Solve for x
    x = 7,281,262,647,521.28/3,511,612.80
  6. Step 6: Final answer
    x = 2,073,481.06

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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.