Home / 3,987,629.80-5,981,444.70-3,546,730.60

Finding the Fourth Proportional to 3,987,629.80, 5,981,444.70 and 3,546,730.60

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Solution

The fourth proportional to 3,987,629.80, 5,981,444.70 and 3,546,730.60 is: 5,320,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,629.80 : 5,981,444.70 = 3,546,730.60 : x
  2. Step 2: Convert to fraction form
    3,987,629.80/5,981,444.70 = 3,546,730.60/x
  3. Step 3: Cross multiply
    3,987,629.80x = 5,981,444.70 × 3,546,730.60
  4. Step 4: Simplify right side
    3,987,629.80x = 21,214,572,949,697.82
  5. Step 5: Solve for x
    x = 21,214,572,949,697.82/3,987,629.80
  6. Step 6: Final answer
    x = 5,320,095.90

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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.