Home / 4,166,720.57-6,250,679.78-1,288,311.86

Finding the Fourth Proportional to 4,166,720.57, 6,250,679.78 and 1,288,311.86

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Solution

The fourth proportional to 4,166,720.57, 6,250,679.78 and 1,288,311.86 is: 1,932,652.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,166,720.57 : 6,250,679.78 = 1,288,311.86 : x
  2. Step 2: Convert to fraction form
    4,166,720.57/6,250,679.78 = 1,288,311.86/x
  3. Step 3: Cross multiply
    4,166,720.57x = 6,250,679.78 × 1,288,311.86
  4. Step 4: Simplify right side
    4,166,720.57x = 8,052,824,855,941.23
  5. Step 5: Solve for x
    x = 8,052,824,855,941.23/4,166,720.57
  6. Step 6: Final answer
    x = 1,932,652.97

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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.