Home / 5,212,830.78-7,189,441.47-3,669,202.44

Finding the Fourth Proportional to 5,212,830.78, 7,189,441.47 and 3,669,202.44

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Solution

The fourth proportional to 5,212,830.78, 7,189,441.47 and 3,669,202.44 is: 5,060,497.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212,830.78 : 7,189,441.47 = 3,669,202.44 : x
  2. Step 2: Convert to fraction form
    5,212,830.78/7,189,441.47 = 3,669,202.44/x
  3. Step 3: Cross multiply
    5,212,830.78x = 7,189,441.47 × 3,669,202.44
  4. Step 4: Simplify right side
    5,212,830.78x = 26,379,516,183,961.18
  5. Step 5: Solve for x
    x = 26,379,516,183,961.18/5,212,830.78
  6. Step 6: Final answer
    x = 5,060,497.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.