Home / 6,321,578.55-8,723,800.41-3,420,968.67

Finding the Fourth Proportional to 6,321,578.55, 8,723,800.41 and 3,420,968.67

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Solution

The fourth proportional to 6,321,578.55, 8,723,800.41 and 3,420,968.67 is: 4,720,948.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,578.55 : 8,723,800.41 = 3,420,968.67 : x
  2. Step 2: Convert to fraction form
    6,321,578.55/8,723,800.41 = 3,420,968.67/x
  3. Step 3: Cross multiply
    6,321,578.55x = 8,723,800.41 × 3,420,968.67
  4. Step 4: Simplify right side
    6,321,578.55x = 29,843,847,885,943.16
  5. Step 5: Solve for x
    x = 29,843,847,885,943.16/6,321,578.55
  6. Step 6: Final answer
    x = 4,720,948.68

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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.