Home / 5,320,975.26-7,979,781.12-1,909,185.60

Finding the Fourth Proportional to 5,320,975.26, 7,979,781.12 and 1,909,185.60

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Solution

The fourth proportional to 5,320,975.26, 7,979,781.12 and 1,909,185.60 is: 2,863,174.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320,975.26 : 7,979,781.12 = 1,909,185.60 : x
  2. Step 2: Convert to fraction form
    5,320,975.26/7,979,781.12 = 1,909,185.60/x
  3. Step 3: Cross multiply
    5,320,975.26x = 7,979,781.12 × 1,909,185.60
  4. Step 4: Simplify right side
    5,320,975.26x = 15,234,883,205,455.87
  5. Step 5: Solve for x
    x = 15,234,883,205,455.87/5,320,975.26
  6. Step 6: Final answer
    x = 2,863,174.97

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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.