Home / 3,147,811.20-4,724,049.60-1,255,910.40

Finding the Fourth Proportional to 3,147,811.20, 4,724,049.60 and 1,255,910.40

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Solution

The fourth proportional to 3,147,811.20, 4,724,049.60 and 1,255,910.40 is: 1,884,796.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,811.20 : 4,724,049.60 = 1,255,910.40 : x
  2. Step 2: Convert to fraction form
    3,147,811.20/4,724,049.60 = 1,255,910.40/x
  3. Step 3: Cross multiply
    3,147,811.20x = 4,724,049.60 × 1,255,910.40
  4. Step 4: Simplify right side
    3,147,811.20x = 5,932,983,022,755.84
  5. Step 5: Solve for x
    x = 5,932,983,022,755.84/3,147,811.20
  6. Step 6: Final answer
    x = 1,884,796.34

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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.