Home / 3,427,481.52-5,136,170.30-1,909,074.15

Finding the Fourth Proportional to 3,427,481.52, 5,136,170.30 and 1,909,074.15

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Solution

The fourth proportional to 3,427,481.52, 5,136,170.30 and 1,909,074.15 is: 2,860,797.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427,481.52 : 5,136,170.30 = 1,909,074.15 : x
  2. Step 2: Convert to fraction form
    3,427,481.52/5,136,170.30 = 1,909,074.15/x
  3. Step 3: Cross multiply
    3,427,481.52x = 5,136,170.30 × 1,909,074.15
  4. Step 4: Simplify right side
    3,427,481.52x = 9,805,329,940,182.37
  5. Step 5: Solve for x
    x = 9,805,329,940,182.37/3,427,481.52
  6. Step 6: Final answer
    x = 2,860,797.32

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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.