Home / 5,705,996.88-7,861,041.69-3,984,390.48

Finding the Fourth Proportional to 5,705,996.88, 7,861,041.69 and 3,984,390.48

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Solution

The fourth proportional to 5,705,996.88, 7,861,041.69 and 3,984,390.48 is: 5,489,217.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705,996.88 : 7,861,041.69 = 3,984,390.48 : x
  2. Step 2: Convert to fraction form
    5,705,996.88/7,861,041.69 = 3,984,390.48/x
  3. Step 3: Cross multiply
    5,705,996.88x = 7,861,041.69 × 3,984,390.48
  4. Step 4: Simplify right side
    5,705,996.88x = 31,321,459,672,519.11
  5. Step 5: Solve for x
    x = 31,321,459,672,519.11/5,705,996.88
  6. Step 6: Final answer
    x = 5,489,217.81

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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.