Home / 2,147,093.20-2,962,955.40-1,180,202.80

Finding the Fourth Proportional to 2,147,093.20, 2,962,955.40 and 1,180,202.80

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Solution

The fourth proportional to 2,147,093.20, 2,962,955.40 and 1,180,202.80 is: 1,628,661.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,093.20 : 2,962,955.40 = 1,180,202.80 : x
  2. Step 2: Convert to fraction form
    2,147,093.20/2,962,955.40 = 1,180,202.80/x
  3. Step 3: Cross multiply
    2,147,093.20x = 2,962,955.40 × 1,180,202.80
  4. Step 4: Simplify right side
    2,147,093.20x = 3,496,888,259,355.12
  5. Step 5: Solve for x
    x = 3,496,888,259,355.12/2,147,093.20
  6. Step 6: Final answer
    x = 1,628,661.61

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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.