Home / 4,431,825.48-6,120,960.93-2,978,997.78

Finding the Fourth Proportional to 4,431,825.48, 6,120,960.93 and 2,978,997.78

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Solution

The fourth proportional to 4,431,825.48, 6,120,960.93 and 2,978,997.78 is: 4,114,405.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431,825.48 : 6,120,960.93 = 2,978,997.78 : x
  2. Step 2: Convert to fraction form
    4,431,825.48/6,120,960.93 = 2,978,997.78/x
  3. Step 3: Cross multiply
    4,431,825.48x = 6,120,960.93 × 2,978,997.78
  4. Step 4: Simplify right side
    4,431,825.48x = 18,234,329,021,936.73
  5. Step 5: Solve for x
    x = 18,234,329,021,936.73/4,431,825.48
  6. Step 6: Final answer
    x = 4,114,405.93

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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.