Home / 2,125,885.26-3,187,143.90-1,060,378.86

Finding the Fourth Proportional to 2,125,885.26, 3,187,143.90 and 1,060,378.86

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Solution

The fourth proportional to 2,125,885.26, 3,187,143.90 and 1,060,378.86 is: 1,589,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,885.26 : 3,187,143.90 = 1,060,378.86 : x
  2. Step 2: Convert to fraction form
    2,125,885.26/3,187,143.90 = 1,060,378.86/x
  3. Step 3: Cross multiply
    2,125,885.26x = 3,187,143.90 × 1,060,378.86
  4. Step 4: Simplify right side
    2,125,885.26x = 3,379,580,015,337.95
  5. Step 5: Solve for x
    x = 3,379,580,015,337.95/2,125,885.26
  6. Step 6: Final answer
    x = 1,589,728.33

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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.