Home / 3,230,191.76-4,847,524.56-1,284,720.80

Finding the Fourth Proportional to 3,230,191.76, 4,847,524.56 and 1,284,720.80

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Solution

The fourth proportional to 3,230,191.76, 4,847,524.56 and 1,284,720.80 is: 1,927,970.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230,191.76 : 4,847,524.56 = 1,284,720.80 : x
  2. Step 2: Convert to fraction form
    3,230,191.76/4,847,524.56 = 1,284,720.80/x
  3. Step 3: Cross multiply
    3,230,191.76x = 4,847,524.56 × 1,284,720.80
  4. Step 4: Simplify right side
    3,230,191.76x = 6,227,715,630,742.85
  5. Step 5: Solve for x
    x = 6,227,715,630,742.85/3,230,191.76
  6. Step 6: Final answer
    x = 1,927,970.87

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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.