Home / 5,308,738.47-7,970,563.58-2,716,896.78

Finding the Fourth Proportional to 5,308,738.47, 7,970,563.58 and 2,716,896.78

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Solution

The fourth proportional to 5,308,738.47, 7,970,563.58 and 2,716,896.78 is: 4,079,160.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308,738.47 : 7,970,563.58 = 2,716,896.78 : x
  2. Step 2: Convert to fraction form
    5,308,738.47/7,970,563.58 = 2,716,896.78/x
  3. Step 3: Cross multiply
    5,308,738.47x = 7,970,563.58 × 2,716,896.78
  4. Step 4: Simplify right side
    5,308,738.47x = 21,655,198,511,702.79
  5. Step 5: Solve for x
    x = 21,655,198,511,702.79/5,308,738.47
  6. Step 6: Final answer
    x = 4,079,160.92

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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.