Home / 3,579,405.75-4,939,580.75-1,969,773.75

Finding the Fourth Proportional to 3,579,405.75, 4,939,580.75 and 1,969,773.75

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Solution

The fourth proportional to 3,579,405.75, 4,939,580.75 and 1,969,773.75 is: 2,718,288.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,405.75 : 4,939,580.75 = 1,969,773.75 : x
  2. Step 2: Convert to fraction form
    3,579,405.75/4,939,580.75 = 1,969,773.75/x
  3. Step 3: Cross multiply
    3,579,405.75x = 4,939,580.75 × 1,969,773.75
  4. Step 4: Simplify right side
    3,579,405.75x = 9,729,856,487,506.44
  5. Step 5: Solve for x
    x = 9,729,856,487,506.44/3,579,405.75
  6. Step 6: Final answer
    x = 2,718,288.22

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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.