Home / 2,617,270.56-3,925,906.40-820,153.60

Finding the Fourth Proportional to 2,617,270.56, 3,925,906.40 and 820,153.60

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Solution

The fourth proportional to 2,617,270.56, 3,925,906.40 and 820,153.60 is: 1,230,230.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,270.56 : 3,925,906.40 = 820,153.60 : x
  2. Step 2: Convert to fraction form
    2,617,270.56/3,925,906.40 = 820,153.60/x
  3. Step 3: Cross multiply
    2,617,270.56x = 3,925,906.40 × 820,153.60
  4. Step 4: Simplify right side
    2,617,270.56x = 3,219,846,267,223.04
  5. Step 5: Solve for x
    x = 3,219,846,267,223.04/2,617,270.56
  6. Step 6: Final answer
    x = 1,230,230.58

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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.