Home / 4,910,939.20-7,353,967.20-3,915,611.20

Finding the Fourth Proportional to 4,910,939.20, 7,353,967.20 and 3,915,611.20

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Solution

The fourth proportional to 4,910,939.20, 7,353,967.20 and 3,915,611.20 is: 5,863,496.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910,939.20 : 7,353,967.20 = 3,915,611.20 : x
  2. Step 2: Convert to fraction form
    4,910,939.20/7,353,967.20 = 3,915,611.20/x
  3. Step 3: Cross multiply
    4,910,939.20x = 7,353,967.20 × 3,915,611.20
  4. Step 4: Simplify right side
    4,910,939.20x = 28,795,276,332,752.64
  5. Step 5: Solve for x
    x = 28,795,276,332,752.64/4,910,939.20
  6. Step 6: Final answer
    x = 5,863,496.81

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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.