Home / 3,494,622.68-5,242,682.40-1,979,021.96

Finding the Fourth Proportional to 3,494,622.68, 5,242,682.40 and 1,979,021.96

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Solution

The fourth proportional to 3,494,622.68, 5,242,682.40 and 1,979,021.96 is: 2,968,956.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494,622.68 : 5,242,682.40 = 1,979,021.96 : x
  2. Step 2: Convert to fraction form
    3,494,622.68/5,242,682.40 = 1,979,021.96/x
  3. Step 3: Cross multiply
    3,494,622.68x = 5,242,682.40 × 1,979,021.96
  4. Step 4: Simplify right side
    3,494,622.68x = 10,375,383,598,905.50
  5. Step 5: Solve for x
    x = 10,375,383,598,905.50/3,494,622.68
  6. Step 6: Final answer
    x = 2,968,956.75

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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.