Home / 2,685,227.87-4,028,213.00-863,644.35

Finding the Fourth Proportional to 2,685,227.87, 4,028,213.00 and 863,644.35

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Solution

The fourth proportional to 2,685,227.87, 4,028,213.00 and 863,644.35 is: 1,295,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,227.87 : 4,028,213.00 = 863,644.35 : x
  2. Step 2: Convert to fraction form
    2,685,227.87/4,028,213.00 = 863,644.35/x
  3. Step 3: Cross multiply
    2,685,227.87x = 4,028,213.00 × 863,644.35
  4. Step 4: Simplify right side
    2,685,227.87x = 3,478,943,393,728.33
  5. Step 5: Solve for x
    x = 3,478,943,393,728.33/2,685,227.87
  6. Step 6: Final answer
    x = 1,295,585.91

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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.