Home / 2,145,928.39-2,961,378.77-1,179,056.30

Finding the Fourth Proportional to 2,145,928.39, 2,961,378.77 and 1,179,056.30

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Solution

The fourth proportional to 2,145,928.39, 2,961,378.77 and 1,179,056.30 is: 1,627,096.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,928.39 : 2,961,378.77 = 1,179,056.30 : x
  2. Step 2: Convert to fraction form
    2,145,928.39/2,961,378.77 = 1,179,056.30/x
  3. Step 3: Cross multiply
    2,145,928.39x = 2,961,378.77 × 1,179,056.30
  4. Step 4: Simplify right side
    2,145,928.39x = 3,491,632,290,998.95
  5. Step 5: Solve for x
    x = 3,491,632,290,998.95/2,145,928.39
  6. Step 6: Final answer
    x = 1,627,096.37

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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.