Home / 5,180,520.10-7,777,778.55-3,290,952.10

Finding the Fourth Proportional to 5,180,520.10, 7,777,778.55 and 3,290,952.10

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Solution

The fourth proportional to 5,180,520.10, 7,777,778.55 and 3,290,952.10 is: 4,940,873.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,520.10 : 7,777,778.55 = 3,290,952.10 : x
  2. Step 2: Convert to fraction form
    5,180,520.10/7,777,778.55 = 3,290,952.10/x
  3. Step 3: Cross multiply
    5,180,520.10x = 7,777,778.55 × 3,290,952.10
  4. Step 4: Simplify right side
    5,180,520.10x = 25,596,296,652,457.46
  5. Step 5: Solve for x
    x = 25,596,296,652,457.46/5,180,520.10
  6. Step 6: Final answer
    x = 4,940,873.92

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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.