Home / 3,281,971.54-4,920,408.24-2,126,777.80

Finding the Fourth Proportional to 3,281,971.54, 4,920,408.24 and 2,126,777.80

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Solution

The fourth proportional to 3,281,971.54, 4,920,408.24 and 2,126,777.80 is: 3,188,514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,971.54 : 4,920,408.24 = 2,126,777.80 : x
  2. Step 2: Convert to fraction form
    3,281,971.54/4,920,408.24 = 2,126,777.80/x
  3. Step 3: Cross multiply
    3,281,971.54x = 4,920,408.24 × 2,126,777.80
  4. Step 4: Simplify right side
    3,281,971.54x = 10,464,615,011,769.07
  5. Step 5: Solve for x
    x = 10,464,615,011,769.07/3,281,971.54
  6. Step 6: Final answer
    x = 3,188,514.86

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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.