Home / 2,078,713.80-3,116,321.10-1,081,441.80

Finding the Fourth Proportional to 2,078,713.80, 3,116,321.10 and 1,081,441.80

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Solution

The fourth proportional to 2,078,713.80, 3,116,321.10 and 1,081,441.80 is: 1,621,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,713.80 : 3,116,321.10 = 1,081,441.80 : x
  2. Step 2: Convert to fraction form
    2,078,713.80/3,116,321.10 = 1,081,441.80/x
  3. Step 3: Cross multiply
    2,078,713.80x = 3,116,321.10 × 1,081,441.80
  4. Step 4: Simplify right side
    2,078,713.80x = 3,370,119,899,761.98
  5. Step 5: Solve for x
    x = 3,370,119,899,761.98/2,078,713.80
  6. Step 6: Final answer
    x = 1,621,252.48

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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.