Home / 6,619,729.34-9,134,728.50-3,718,553.60

Finding the Fourth Proportional to 6,619,729.34, 9,134,728.50 and 3,718,553.60

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Solution

The fourth proportional to 6,619,729.34, 9,134,728.50 and 3,718,553.60 is: 5,131,324.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619,729.34 : 9,134,728.50 = 3,718,553.60 : x
  2. Step 2: Convert to fraction form
    6,619,729.34/9,134,728.50 = 3,718,553.60/x
  3. Step 3: Cross multiply
    6,619,729.34x = 9,134,728.50 × 3,718,553.60
  4. Step 4: Simplify right side
    6,619,729.34x = 33,967,977,548,697.60
  5. Step 5: Solve for x
    x = 33,967,977,548,697.60/6,619,729.34
  6. Step 6: Final answer
    x = 5,131,324.23

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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.