Home / 5,705,965.38-7,860,998.25-3,984,358.98

Finding the Fourth Proportional to 5,705,965.38, 7,860,998.25 and 3,984,358.98

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Solution

The fourth proportional to 5,705,965.38, 7,860,998.25 and 3,984,358.98 is: 5,489,174.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705,965.38 : 7,860,998.25 = 3,984,358.98 : x
  2. Step 2: Convert to fraction form
    5,705,965.38/7,860,998.25 = 3,984,358.98/x
  3. Step 3: Cross multiply
    5,705,965.38x = 7,860,998.25 × 3,984,358.98
  4. Step 4: Simplify right side
    5,705,965.38x = 31,321,038,969,151.79
  5. Step 5: Solve for x
    x = 31,321,038,969,151.79/5,705,965.38
  6. Step 6: Final answer
    x = 5,489,174.38

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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.