Home / 5,280,997.20-7,926,744.60-2,588,362.80

Finding the Fourth Proportional to 5,280,997.20, 7,926,744.60 and 2,588,362.80

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Solution

The fourth proportional to 5,280,997.20, 7,926,744.60 and 2,588,362.80 is: 3,885,116.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,997.20 : 7,926,744.60 = 2,588,362.80 : x
  2. Step 2: Convert to fraction form
    5,280,997.20/7,926,744.60 = 2,588,362.80/x
  3. Step 3: Cross multiply
    5,280,997.20x = 7,926,744.60 × 2,588,362.80
  4. Step 4: Simplify right side
    5,280,997.20x = 20,517,290,847,740.88
  5. Step 5: Solve for x
    x = 20,517,290,847,740.88/5,280,997.20
  6. Step 6: Final answer
    x = 3,885,116.78

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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.