Home / 2,176,836.64-3,266,360.88-978,517.60

Finding the Fourth Proportional to 2,176,836.64, 3,266,360.88 and 978,517.60

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Solution

The fourth proportional to 2,176,836.64, 3,266,360.88 and 978,517.60 is: 1,468,273.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,836.64 : 3,266,360.88 = 978,517.60 : x
  2. Step 2: Convert to fraction form
    2,176,836.64/3,266,360.88 = 978,517.60/x
  3. Step 3: Cross multiply
    2,176,836.64x = 3,266,360.88 × 978,517.60
  4. Step 4: Simplify right side
    2,176,836.64x = 3,196,191,609,031.49
  5. Step 5: Solve for x
    x = 3,196,191,609,031.49/2,176,836.64
  6. Step 6: Final answer
    x = 1,468,273.53

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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.