Home / 2,120,518.44-3,180,701.16-922,441.68

Finding the Fourth Proportional to 2,120,518.44, 3,180,701.16 and 922,441.68

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Solution

The fourth proportional to 2,120,518.44, 3,180,701.16 and 922,441.68 is: 1,383,629.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,518.44 : 3,180,701.16 = 922,441.68 : x
  2. Step 2: Convert to fraction form
    2,120,518.44/3,180,701.16 = 922,441.68/x
  3. Step 3: Cross multiply
    2,120,518.44x = 3,180,701.16 × 922,441.68
  4. Step 4: Simplify right side
    2,120,518.44x = 2,934,011,321,608.35
  5. Step 5: Solve for x
    x = 2,934,011,321,608.35/2,120,518.44
  6. Step 6: Final answer
    x = 1,383,629.24

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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.