Home / 1,962,662.97-2,943,247.23-1,288,563.96

Finding the Fourth Proportional to 1,962,662.97, 2,943,247.23 and 1,288,563.96

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Solution

The fourth proportional to 1,962,662.97, 2,943,247.23 and 1,288,563.96 is: 1,932,355.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,662.97 : 2,943,247.23 = 1,288,563.96 : x
  2. Step 2: Convert to fraction form
    1,962,662.97/2,943,247.23 = 1,288,563.96/x
  3. Step 3: Cross multiply
    1,962,662.97x = 2,943,247.23 × 1,288,563.96
  4. Step 4: Simplify right side
    1,962,662.97x = 3,792,562,305,947.83
  5. Step 5: Solve for x
    x = 3,792,562,305,947.83/1,962,662.97
  6. Step 6: Final answer
    x = 1,932,355.36

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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.