Home / 2,079,774.20-3,120,098.70-1,180,479.80

Finding the Fourth Proportional to 2,079,774.20, 3,120,098.70 and 1,180,479.80

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Solution

The fourth proportional to 2,079,774.20, 3,120,098.70 and 1,180,479.80 is: 1,770,967.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,774.20 : 3,120,098.70 = 1,180,479.80 : x
  2. Step 2: Convert to fraction form
    2,079,774.20/3,120,098.70 = 1,180,479.80/x
  3. Step 3: Cross multiply
    2,079,774.20x = 3,120,098.70 × 1,180,479.80
  4. Step 4: Simplify right side
    2,079,774.20x = 3,683,213,489,356.26
  5. Step 5: Solve for x
    x = 3,683,213,489,356.26/2,079,774.20
  6. Step 6: Final answer
    x = 1,770,967.97

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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.