Home / 2,145,928.89-2,961,379.46-1,179,056.80

Finding the Fourth Proportional to 2,145,928.89, 2,961,379.46 and 1,179,056.80

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Solution

The fourth proportional to 2,145,928.89, 2,961,379.46 and 1,179,056.80 is: 1,627,097.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,928.89 : 2,961,379.46 = 1,179,056.80 : x
  2. Step 2: Convert to fraction form
    2,145,928.89/2,961,379.46 = 1,179,056.80/x
  3. Step 3: Cross multiply
    2,145,928.89x = 2,961,379.46 × 1,179,056.80
  4. Step 4: Simplify right side
    2,145,928.89x = 3,491,634,589,693.33
  5. Step 5: Solve for x
    x = 3,491,634,589,693.33/2,145,928.89
  6. Step 6: Final answer
    x = 1,627,097.06

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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.