Home / 5,144,906.25-7,100,100.99-2,909,504.86

Finding the Fourth Proportional to 5,144,906.25, 7,100,100.99 and 2,909,504.86

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Solution

The fourth proportional to 5,144,906.25, 7,100,100.99 and 2,909,504.86 is: 4,015,190.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144,906.25 : 7,100,100.99 = 2,909,504.86 : x
  2. Step 2: Convert to fraction form
    5,144,906.25/7,100,100.99 = 2,909,504.86/x
  3. Step 3: Cross multiply
    5,144,906.25x = 7,100,100.99 × 2,909,504.86
  4. Step 4: Simplify right side
    5,144,906.25x = 20,657,778,319,145.56
  5. Step 5: Solve for x
    x = 20,657,778,319,145.56/5,144,906.25
  6. Step 6: Final answer
    x = 4,015,190.43

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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.