Home / 2,079,790.08-3,119,676.90-659,956.86

Finding the Fourth Proportional to 2,079,790.08, 3,119,676.90 and 659,956.86

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Solution

The fourth proportional to 2,079,790.08, 3,119,676.90 and 659,956.86 is: 989,932.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,790.08 : 3,119,676.90 = 659,956.86 : x
  2. Step 2: Convert to fraction form
    2,079,790.08/3,119,676.90 = 659,956.86/x
  3. Step 3: Cross multiply
    2,079,790.08x = 3,119,676.90 × 659,956.86
  4. Step 4: Simplify right side
    2,079,790.08x = 2,058,852,171,138.53
  5. Step 5: Solve for x
    x = 2,058,852,171,138.53/2,079,790.08
  6. Step 6: Final answer
    x = 989,932.68

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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.