Home / 3,105,980.91-4,285,594.78-1,959,396.75

Finding the Fourth Proportional to 3,105,980.91, 4,285,594.78 and 1,959,396.75

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Solution

The fourth proportional to 3,105,980.91, 4,285,594.78 and 1,959,396.75 is: 2,703,551.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,980.91 : 4,285,594.78 = 1,959,396.75 : x
  2. Step 2: Convert to fraction form
    3,105,980.91/4,285,594.78 = 1,959,396.75/x
  3. Step 3: Cross multiply
    3,105,980.91x = 4,285,594.78 × 1,959,396.75
  4. Step 4: Simplify right side
    3,105,980.91x = 8,397,180,478,850.47
  5. Step 5: Solve for x
    x = 8,397,180,478,850.47/3,105,980.91
  6. Step 6: Final answer
    x = 2,703,551.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.