Home / 3,942,700.20-5,910,769.80-1,669,969.80

Finding the Fourth Proportional to 3,942,700.20, 5,910,769.80 and 1,669,969.80

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Solution

The fourth proportional to 3,942,700.20, 5,910,769.80 and 1,669,969.80 is: 2,503,565.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,700.20 : 5,910,769.80 = 1,669,969.80 : x
  2. Step 2: Convert to fraction form
    3,942,700.20/5,910,769.80 = 1,669,969.80/x
  3. Step 3: Cross multiply
    3,942,700.20x = 5,910,769.80 × 1,669,969.80
  4. Step 4: Simplify right side
    3,942,700.20x = 9,870,807,060,752.04
  5. Step 5: Solve for x
    x = 9,870,807,060,752.04/3,942,700.20
  6. Step 6: Final answer
    x = 2,503,565.21

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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.