Home / 3,551,138.20-5,328,894.30-1,530,350.20

Finding the Fourth Proportional to 3,551,138.20, 5,328,894.30 and 1,530,350.20

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Solution

The fourth proportional to 3,551,138.20, 5,328,894.30 and 1,530,350.20 is: 2,296,467.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551,138.20 : 5,328,894.30 = 1,530,350.20 : x
  2. Step 2: Convert to fraction form
    3,551,138.20/5,328,894.30 = 1,530,350.20/x
  3. Step 3: Cross multiply
    3,551,138.20x = 5,328,894.30 × 1,530,350.20
  4. Step 4: Simplify right side
    3,551,138.20x = 8,155,074,457,783.86
  5. Step 5: Solve for x
    x = 8,155,074,457,783.86/3,551,138.20
  6. Step 6: Final answer
    x = 2,296,467.78

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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.