Home / 5,429,393.97-8,131,687.54-2,591,499.03

Finding the Fourth Proportional to 5,429,393.97, 8,131,687.54 and 2,591,499.03

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Solution

The fourth proportional to 5,429,393.97, 8,131,687.54 and 2,591,499.03 is: 3,881,328.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,393.97 : 8,131,687.54 = 2,591,499.03 : x
  2. Step 2: Convert to fraction form
    5,429,393.97/8,131,687.54 = 2,591,499.03/x
  3. Step 3: Cross multiply
    5,429,393.97x = 8,131,687.54 × 2,591,499.03
  4. Step 4: Simplify right side
    5,429,393.97x = 21,073,260,365,694.34
  5. Step 5: Solve for x
    x = 21,073,260,365,694.34/5,429,393.97
  6. Step 6: Final answer
    x = 3,881,328.28

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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.