Home / 3,620,129.10-5,433,255.45-1,491,740.70

Finding the Fourth Proportional to 3,620,129.10, 5,433,255.45 and 1,491,740.70

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Solution

The fourth proportional to 3,620,129.10, 5,433,255.45 and 1,491,740.70 is: 2,238,872.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,129.10 : 5,433,255.45 = 1,491,740.70 : x
  2. Step 2: Convert to fraction form
    3,620,129.10/5,433,255.45 = 1,491,740.70/x
  3. Step 3: Cross multiply
    3,620,129.10x = 5,433,255.45 × 1,491,740.70
  4. Step 4: Simplify right side
    3,620,129.10x = 8,105,008,288,261.82
  5. Step 5: Solve for x
    x = 8,105,008,288,261.82/3,620,129.10
  6. Step 6: Final answer
    x = 2,238,872.72

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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.