Home / 5,485,144-7,571,529.76-3,309,778.88

Finding the Fourth Proportional to 5,485,144, 7,571,529.76 and 3,309,778.88

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Solution

The fourth proportional to 5,485,144, 7,571,529.76 and 3,309,778.88 is: 4,568,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485,144 : 7,571,529.76 = 3,309,778.88 : x
  2. Step 2: Convert to fraction form
    5,485,144/7,571,529.76 = 3,309,778.88/x
  3. Step 3: Cross multiply
    5,485,144x = 7,571,529.76 × 3,309,778.88
  4. Step 4: Simplify right side
    5,485,144x = 25,060,089,288,939.47
  5. Step 5: Solve for x
    x = 25,060,089,288,939.47/5,485,144
  6. Step 6: Final answer
    x = 4,568,720.40

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1.5x scale

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.