Home / 6,920,816.80-10,378,114.80-2,659,568.80

Finding the Fourth Proportional to 6,920,816.80, 10,378,114.80 and 2,659,568.80

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Solution

The fourth proportional to 6,920,816.80, 10,378,114.80 and 2,659,568.80 is: 3,988,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,920,816.80 : 10,378,114.80 = 2,659,568.80 : x
  2. Step 2: Convert to fraction form
    6,920,816.80/10,378,114.80 = 2,659,568.80/x
  3. Step 3: Cross multiply
    6,920,816.80x = 10,378,114.80 × 2,659,568.80
  4. Step 4: Simplify right side
    6,920,816.80x = 27,601,310,324,898.24
  5. Step 5: Solve for x
    x = 27,601,310,324,898.24/6,920,816.80
  6. Step 6: Final answer
    x = 3,988,157.92

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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.