Home / 2,571,334.79-3,857,125.20-2,121,221.03

Finding the Fourth Proportional to 2,571,334.79, 3,857,125.20 and 2,121,221.03

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Solution

The fourth proportional to 2,571,334.79, 3,857,125.20 and 2,121,221.03 is: 3,181,933.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571,334.79 : 3,857,125.20 = 2,121,221.03 : x
  2. Step 2: Convert to fraction form
    2,571,334.79/3,857,125.20 = 2,121,221.03/x
  3. Step 3: Cross multiply
    2,571,334.79x = 3,857,125.20 × 2,121,221.03
  4. Step 4: Simplify right side
    2,571,334.79x = 8,181,815,089,582.96
  5. Step 5: Solve for x
    x = 8,181,815,089,582.96/2,571,334.79
  6. Step 6: Final answer
    x = 3,181,933.03

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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.