Home / 2,022,318.12-2,792,061.18-1,287,687

Finding the Fourth Proportional to 2,022,318.12, 2,792,061.18 and 1,287,687

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Solution

The fourth proportional to 2,022,318.12, 2,792,061.18 and 1,287,687 is: 1,777,811.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022,318.12 : 2,792,061.18 = 1,287,687 : x
  2. Step 2: Convert to fraction form
    2,022,318.12/2,792,061.18 = 1,287,687/x
  3. Step 3: Cross multiply
    2,022,318.12x = 2,792,061.18 × 1,287,687
  4. Step 4: Simplify right side
    2,022,318.12x = 3,595,300,884,690.66
  5. Step 5: Solve for x
    x = 3,595,300,884,690.66/2,022,318.12
  6. Step 6: Final answer
    x = 1,777,811.73

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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.