Home / 4,684,680.89-7,027,137.97-1,318,865.21

Finding the Fourth Proportional to 4,684,680.89, 7,027,137.97 and 1,318,865.21

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Solution

The fourth proportional to 4,684,680.89, 7,027,137.97 and 1,318,865.21 is: 1,978,330.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684,680.89 : 7,027,137.97 = 1,318,865.21 : x
  2. Step 2: Convert to fraction form
    4,684,680.89/7,027,137.97 = 1,318,865.21/x
  3. Step 3: Cross multiply
    4,684,680.89x = 7,027,137.97 × 1,318,865.21
  4. Step 4: Simplify right side
    4,684,680.89x = 9,267,847,794,503.02
  5. Step 5: Solve for x
    x = 9,267,847,794,503.02/4,684,680.89
  6. Step 6: Final answer
    x = 1,978,330.65

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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.