Home / 2,119,574.16-3,179,476.44-699,757.20

Finding the Fourth Proportional to 2,119,574.16, 3,179,476.44 and 699,757.20

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Solution

The fourth proportional to 2,119,574.16, 3,179,476.44 and 699,757.20 is: 1,049,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,574.16 : 3,179,476.44 = 699,757.20 : x
  2. Step 2: Convert to fraction form
    2,119,574.16/3,179,476.44 = 699,757.20/x
  3. Step 3: Cross multiply
    2,119,574.16x = 3,179,476.44 × 699,757.20
  4. Step 4: Simplify right side
    2,119,574.16x = 2,224,861,531,120.37
  5. Step 5: Solve for x
    x = 2,224,861,531,120.37/2,119,574.16
  6. Step 6: Final answer
    x = 1,049,673.83

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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.