Home / 3,285,740.40-4,923,311.40-1,861,561.20

Finding the Fourth Proportional to 3,285,740.40, 4,923,311.40 and 1,861,561.20

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Solution

The fourth proportional to 3,285,740.40, 4,923,311.40 and 1,861,561.20 is: 2,789,339.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285,740.40 : 4,923,311.40 = 1,861,561.20 : x
  2. Step 2: Convert to fraction form
    3,285,740.40/4,923,311.40 = 1,861,561.20/x
  3. Step 3: Cross multiply
    3,285,740.40x = 4,923,311.40 × 1,861,561.20
  4. Step 4: Simplify right side
    3,285,740.40x = 9,165,045,477,757.68
  5. Step 5: Solve for x
    x = 9,165,045,477,757.68/3,285,740.40
  6. Step 6: Final answer
    x = 2,789,339.50

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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.