Home / 5,431,967.20-8,147,950.80-2,065,736.80

Finding the Fourth Proportional to 5,431,967.20, 8,147,950.80 and 2,065,736.80

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Solution

The fourth proportional to 5,431,967.20, 8,147,950.80 and 2,065,736.80 is: 3,098,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,967.20 : 8,147,950.80 = 2,065,736.80 : x
  2. Step 2: Convert to fraction form
    5,431,967.20/8,147,950.80 = 2,065,736.80/x
  3. Step 3: Cross multiply
    5,431,967.20x = 8,147,950.80 × 2,065,736.80
  4. Step 4: Simplify right side
    5,431,967.20x = 16,831,521,812,149.44
  5. Step 5: Solve for x
    x = 16,831,521,812,149.44/5,431,967.20
  6. Step 6: Final answer
    x = 3,098,605.20

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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.