Home / 3,322,672.70-4,984,009.05-2,188,931.90

Finding the Fourth Proportional to 3,322,672.70, 4,984,009.05 and 2,188,931.90

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Solution

The fourth proportional to 3,322,672.70, 4,984,009.05 and 2,188,931.90 is: 3,283,397.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322,672.70 : 4,984,009.05 = 2,188,931.90 : x
  2. Step 2: Convert to fraction form
    3,322,672.70/4,984,009.05 = 2,188,931.90/x
  3. Step 3: Cross multiply
    3,322,672.70x = 4,984,009.05 × 2,188,931.90
  4. Step 4: Simplify right side
    3,322,672.70x = 10,909,656,399,433.69
  5. Step 5: Solve for x
    x = 10,909,656,399,433.69/3,322,672.70
  6. Step 6: Final answer
    x = 3,283,397.85

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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.