Home / 5,705,999.88-7,861,045.83-3,984,393.48

Finding the Fourth Proportional to 5,705,999.88, 7,861,045.83 and 3,984,393.48

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Solution

The fourth proportional to 5,705,999.88, 7,861,045.83 and 3,984,393.48 is: 5,489,221.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705,999.88 : 7,861,045.83 = 3,984,393.48 : x
  2. Step 2: Convert to fraction form
    5,705,999.88/7,861,045.83 = 3,984,393.48/x
  3. Step 3: Cross multiply
    5,705,999.88x = 7,861,045.83 × 3,984,393.48
  4. Step 4: Simplify right side
    5,705,999.88x = 31,321,499,751,033.19
  5. Step 5: Solve for x
    x = 31,321,499,751,033.19/5,705,999.88
  6. Step 6: Final answer
    x = 5,489,221.94

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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.