Home / 2,057,896.80-3,086,845.20-638,096.40

Finding the Fourth Proportional to 2,057,896.80, 3,086,845.20 and 638,096.40

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Solution

The fourth proportional to 2,057,896.80, 3,086,845.20 and 638,096.40 is: 957,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057,896.80 : 3,086,845.20 = 638,096.40 : x
  2. Step 2: Convert to fraction form
    2,057,896.80/3,086,845.20 = 638,096.40/x
  3. Step 3: Cross multiply
    2,057,896.80x = 3,086,845.20 × 638,096.40
  4. Step 4: Simplify right side
    2,057,896.80x = 1,969,704,809,477.28
  5. Step 5: Solve for x
    x = 1,969,704,809,477.28/2,057,896.80
  6. Step 6: Final answer
    x = 957,144.60

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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.