Home / 5,180,634.45-7,770,951.68-3,920,922.45

Finding the Fourth Proportional to 5,180,634.45, 7,770,951.68 and 3,920,922.45

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Solution

The fourth proportional to 5,180,634.45, 7,770,951.68 and 3,920,922.45 is: 5,881,383.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,634.45 : 7,770,951.68 = 3,920,922.45 : x
  2. Step 2: Convert to fraction form
    5,180,634.45/7,770,951.68 = 3,920,922.45/x
  3. Step 3: Cross multiply
    5,180,634.45x = 7,770,951.68 × 3,920,922.45
  4. Step 4: Simplify right side
    5,180,634.45x = 30,469,298,880,372.61
  5. Step 5: Solve for x
    x = 30,469,298,880,372.61/5,180,634.45
  6. Step 6: Final answer
    x = 5,881,383.68

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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.