Home / 3,915,640.30-5,873,460.45-3,649,919.80

Finding the Fourth Proportional to 3,915,640.30, 5,873,460.45 and 3,649,919.80

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Solution

The fourth proportional to 3,915,640.30, 5,873,460.45 and 3,649,919.80 is: 5,474,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,640.30 : 5,873,460.45 = 3,649,919.80 : x
  2. Step 2: Convert to fraction form
    3,915,640.30/5,873,460.45 = 3,649,919.80/x
  3. Step 3: Cross multiply
    3,915,640.30x = 5,873,460.45 × 3,649,919.80
  4. Step 4: Simplify right side
    3,915,640.30x = 21,437,659,590,971.91
  5. Step 5: Solve for x
    x = 21,437,659,590,971.91/3,915,640.30
  6. Step 6: Final answer
    x = 5,474,879.70

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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.