Home / 2,166,048-2,989,146.24-1,212,192

Finding the Fourth Proportional to 2,166,048, 2,989,146.24 and 1,212,192

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Solution

The fourth proportional to 2,166,048, 2,989,146.24 and 1,212,192 is: 1,672,824.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,048 : 2,989,146.24 = 1,212,192 : x
  2. Step 2: Convert to fraction form
    2,166,048/2,989,146.24 = 1,212,192/x
  3. Step 3: Cross multiply
    2,166,048x = 2,989,146.24 × 1,212,192
  4. Step 4: Simplify right side
    2,166,048x = 3,623,419,158,958.08
  5. Step 5: Solve for x
    x = 3,623,419,158,958.08/2,166,048
  6. Step 6: Final answer
    x = 1,672,824.96

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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.