Home / 5,180,270.80-7,770,406.20-3,984,494.80

Finding the Fourth Proportional to 5,180,270.80, 7,770,406.20 and 3,984,494.80

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Solution

The fourth proportional to 5,180,270.80, 7,770,406.20 and 3,984,494.80 is: 5,976,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,270.80 : 7,770,406.20 = 3,984,494.80 : x
  2. Step 2: Convert to fraction form
    5,180,270.80/7,770,406.20 = 3,984,494.80/x
  3. Step 3: Cross multiply
    5,180,270.80x = 7,770,406.20 × 3,984,494.80
  4. Step 4: Simplify right side
    5,180,270.80x = 30,961,143,097,787.76
  5. Step 5: Solve for x
    x = 30,961,143,097,787.76/5,180,270.80
  6. Step 6: Final answer
    x = 5,976,742.20

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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.