Home / 2,815,976.12-4,223,536.50-922,675.64

Finding the Fourth Proportional to 2,815,976.12, 4,223,536.50 and 922,675.64

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Solution

The fourth proportional to 2,815,976.12, 4,223,536.50 and 922,675.64 is: 1,383,873.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,976.12 : 4,223,536.50 = 922,675.64 : x
  2. Step 2: Convert to fraction form
    2,815,976.12/4,223,536.50 = 922,675.64/x
  3. Step 3: Cross multiply
    2,815,976.12x = 4,223,536.50 × 922,675.64
  4. Step 4: Simplify right side
    2,815,976.12x = 3,896,954,243,200.86
  5. Step 5: Solve for x
    x = 3,896,954,243,200.86/2,815,976.12
  6. Step 6: Final answer
    x = 1,383,873.33

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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.