Home / 2,079,783.70-3,120,112.95-1,180,489.30

Finding the Fourth Proportional to 2,079,783.70, 3,120,112.95 and 1,180,489.30

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Solution

The fourth proportional to 2,079,783.70, 3,120,112.95 and 1,180,489.30 is: 1,770,982.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,783.70 : 3,120,112.95 = 1,180,489.30 : x
  2. Step 2: Convert to fraction form
    2,079,783.70/3,120,112.95 = 1,180,489.30/x
  3. Step 3: Cross multiply
    2,079,783.70x = 3,120,112.95 × 1,180,489.30
  4. Step 4: Simplify right side
    2,079,783.70x = 3,683,259,952,266.44
  5. Step 5: Solve for x
    x = 3,683,259,952,266.44/2,079,783.70
  6. Step 6: Final answer
    x = 1,770,982.22

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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.