Home / 5,403,657.80-8,085,803.70-3,986,481.80

Finding the Fourth Proportional to 5,403,657.80, 8,085,803.70 and 3,986,481.80

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Solution

The fourth proportional to 5,403,657.80, 8,085,803.70 and 3,986,481.80 is: 5,965,201.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403,657.80 : 8,085,803.70 = 3,986,481.80 : x
  2. Step 2: Convert to fraction form
    5,403,657.80/8,085,803.70 = 3,986,481.80/x
  3. Step 3: Cross multiply
    5,403,657.80x = 8,085,803.70 × 3,986,481.80
  4. Step 4: Simplify right side
    5,403,657.80x = 32,233,909,288,422.66
  5. Step 5: Solve for x
    x = 32,233,909,288,422.66/5,403,657.80
  6. Step 6: Final answer
    x = 5,965,201.81

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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.