Home / 2,105,961.44-3,158,939.70-686,015.24

Finding the Fourth Proportional to 2,105,961.44, 3,158,939.70 and 686,015.24

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Solution

The fourth proportional to 2,105,961.44, 3,158,939.70 and 686,015.24 is: 1,029,022.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,961.44 : 3,158,939.70 = 686,015.24 : x
  2. Step 2: Convert to fraction form
    2,105,961.44/3,158,939.70 = 686,015.24/x
  3. Step 3: Cross multiply
    2,105,961.44x = 3,158,939.70 × 686,015.24
  4. Step 4: Simplify right side
    2,105,961.44x = 2,167,080,776,441.03
  5. Step 5: Solve for x
    x = 2,167,080,776,441.03/2,105,961.44
  6. Step 6: Final answer
    x = 1,029,022.06

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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.