Home / 2,153,121.32-3,230,313.58-636,844.25

Finding the Fourth Proportional to 2,153,121.32, 3,230,313.58 and 636,844.25

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Solution

The fourth proportional to 2,153,121.32, 3,230,313.58 and 636,844.25 is: 955,453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,121.32 : 3,230,313.58 = 636,844.25 : x
  2. Step 2: Convert to fraction form
    2,153,121.32/3,230,313.58 = 636,844.25/x
  3. Step 3: Cross multiply
    2,153,121.32x = 3,230,313.58 × 636,844.25
  4. Step 4: Simplify right side
    2,153,121.32x = 2,057,206,629,119.92
  5. Step 5: Solve for x
    x = 2,057,206,629,119.92/2,153,121.32
  6. Step 6: Final answer
    x = 955,453.19

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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.