Home / 2,915,203.70-4,022,954.42-1,608,467.78

Finding the Fourth Proportional to 2,915,203.70, 4,022,954.42 and 1,608,467.78

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Solution

The fourth proportional to 2,915,203.70, 4,022,954.42 and 1,608,467.78 is: 2,219,670.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,203.70 : 4,022,954.42 = 1,608,467.78 : x
  2. Step 2: Convert to fraction form
    2,915,203.70/4,022,954.42 = 1,608,467.78/x
  3. Step 3: Cross multiply
    2,915,203.70x = 4,022,954.42 × 1,608,467.78
  4. Step 4: Simplify right side
    2,915,203.70x = 6,470,792,536,821.48
  5. Step 5: Solve for x
    x = 6,470,792,536,821.48/2,915,203.70
  6. Step 6: Final answer
    x = 2,219,670.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.