Home / 2,770,491.60-4,158,847.80-2,142,190.80

Finding the Fourth Proportional to 2,770,491.60, 4,158,847.80 and 2,142,190.80

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Solution

The fourth proportional to 2,770,491.60, 4,158,847.80 and 2,142,190.80 is: 3,215,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770,491.60 : 4,158,847.80 = 2,142,190.80 : x
  2. Step 2: Convert to fraction form
    2,770,491.60/4,158,847.80 = 2,142,190.80/x
  3. Step 3: Cross multiply
    2,770,491.60x = 4,158,847.80 × 2,142,190.80
  4. Step 4: Simplify right side
    2,770,491.60x = 8,909,045,495,760.24
  5. Step 5: Solve for x
    x = 8,909,045,495,760.24/2,770,491.60
  6. Step 6: Final answer
    x = 3,215,691.21

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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.