Home / 2,814,998.09-4,222,497.56-685,082.21

Finding the Fourth Proportional to 2,814,998.09, 4,222,497.56 and 685,082.21

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Solution

The fourth proportional to 2,814,998.09, 4,222,497.56 and 685,082.21 is: 1,027,623.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814,998.09 : 4,222,497.56 = 685,082.21 : x
  2. Step 2: Convert to fraction form
    2,814,998.09/4,222,497.56 = 685,082.21/x
  3. Step 3: Cross multiply
    2,814,998.09x = 4,222,497.56 × 685,082.21
  4. Step 4: Simplify right side
    2,814,998.09x = 2,892,757,935,586.51
  5. Step 5: Solve for x
    x = 2,892,757,935,586.51/2,814,998.09
  6. Step 6: Final answer
    x = 1,027,623.41

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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.