Home / 5,242,645.40-7,848,221.70-3,111,632.60

Finding the Fourth Proportional to 5,242,645.40, 7,848,221.70 and 3,111,632.60

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Solution

The fourth proportional to 5,242,645.40, 7,848,221.70 and 3,111,632.60 is: 4,658,103.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242,645.40 : 7,848,221.70 = 3,111,632.60 : x
  2. Step 2: Convert to fraction form
    5,242,645.40/7,848,221.70 = 3,111,632.60/x
  3. Step 3: Cross multiply
    5,242,645.40x = 7,848,221.70 × 3,111,632.60
  4. Step 4: Simplify right side
    5,242,645.40x = 24,420,782,493,747.42
  5. Step 5: Solve for x
    x = 24,420,782,493,747.42/5,242,645.40
  6. Step 6: Final answer
    x = 4,658,103.04

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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.