Home / 2,685,238.70-4,028,233.88-862,991.30

Finding the Fourth Proportional to 2,685,238.70, 4,028,233.88 and 862,991.30

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Solution

The fourth proportional to 2,685,238.70, 4,028,233.88 and 862,991.30 is: 1,294,607.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,238.70 : 4,028,233.88 = 862,991.30 : x
  2. Step 2: Convert to fraction form
    2,685,238.70/4,028,233.88 = 862,991.30/x
  3. Step 3: Cross multiply
    2,685,238.70x = 4,028,233.88 × 862,991.30
  4. Step 4: Simplify right side
    2,685,238.70x = 3,476,330,792,805.24
  5. Step 5: Solve for x
    x = 3,476,330,792,805.24/2,685,238.70
  6. Step 6: Final answer
    x = 1,294,607.74

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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.