Home / 2,176,891.90-3,264,353.70-978,197.20

Finding the Fourth Proportional to 2,176,891.90, 3,264,353.70 and 978,197.20

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Solution

The fourth proportional to 2,176,891.90, 3,264,353.70 and 978,197.20 is: 1,466,853.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,891.90 : 3,264,353.70 = 978,197.20 : x
  2. Step 2: Convert to fraction form
    2,176,891.90/3,264,353.70 = 978,197.20/x
  3. Step 3: Cross multiply
    2,176,891.90x = 3,264,353.70 × 978,197.20
  4. Step 4: Simplify right side
    2,176,891.90x = 3,193,181,649,149.64
  5. Step 5: Solve for x
    x = 3,193,181,649,149.64/2,176,891.90
  6. Step 6: Final answer
    x = 1,466,853.57

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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.