Home / 1,962,618.96-2,940,923.68-1,320,544.46

Finding the Fourth Proportional to 1,962,618.96, 2,940,923.68 and 1,320,544.46

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Solution

The fourth proportional to 1,962,618.96, 2,940,923.68 and 1,320,544.46 is: 1,978,794.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,618.96 : 2,940,923.68 = 1,320,544.46 : x
  2. Step 2: Convert to fraction form
    1,962,618.96/2,940,923.68 = 1,320,544.46/x
  3. Step 3: Cross multiply
    1,962,618.96x = 2,940,923.68 × 1,320,544.46
  4. Step 4: Simplify right side
    1,962,618.96x = 3,883,620,472,906.81
  5. Step 5: Solve for x
    x = 3,883,620,472,906.81/1,962,618.96
  6. Step 6: Final answer
    x = 1,978,794.94

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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.