Home / 3,529,843.25-4,870,978.89-1,980,960.26

Finding the Fourth Proportional to 3,529,843.25, 4,870,978.89 and 1,980,960.26

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Solution

The fourth proportional to 3,529,843.25, 4,870,978.89 and 1,980,960.26 is: 2,733,610.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529,843.25 : 4,870,978.89 = 1,980,960.26 : x
  2. Step 2: Convert to fraction form
    3,529,843.25/4,870,978.89 = 1,980,960.26/x
  3. Step 3: Cross multiply
    3,529,843.25x = 4,870,978.89 × 1,980,960.26
  4. Step 4: Simplify right side
    3,529,843.25x = 9,649,215,608,388.91
  5. Step 5: Solve for x
    x = 9,649,215,608,388.91/3,529,843.25
  6. Step 6: Final answer
    x = 2,733,610.23

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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.