Home / 3,447,396.44-5,171,447.80-1,319,270.48

Finding the Fourth Proportional to 3,447,396.44, 5,171,447.80 and 1,319,270.48

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Solution

The fourth proportional to 3,447,396.44, 5,171,447.80 and 1,319,270.48 is: 1,979,040.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447,396.44 : 5,171,447.80 = 1,319,270.48 : x
  2. Step 2: Convert to fraction form
    3,447,396.44/5,171,447.80 = 1,319,270.48/x
  3. Step 3: Cross multiply
    3,447,396.44x = 5,171,447.80 × 1,319,270.48
  4. Step 4: Simplify right side
    3,447,396.44x = 6,822,538,421,400.94
  5. Step 5: Solve for x
    x = 6,822,538,421,400.94/3,447,396.44
  6. Step 6: Final answer
    x = 1,979,040.86

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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.