Home / 6,493,909.12-9,738,123.21-1,945,604.61

Finding the Fourth Proportional to 6,493,909.12, 9,738,123.21 and 1,945,604.61

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Solution

The fourth proportional to 6,493,909.12, 9,738,123.21 and 1,945,604.61 is: 2,917,585.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,493,909.12 : 9,738,123.21 = 1,945,604.61 : x
  2. Step 2: Convert to fraction form
    6,493,909.12/9,738,123.21 = 1,945,604.61/x
  3. Step 3: Cross multiply
    6,493,909.12x = 9,738,123.21 × 1,945,604.61
  4. Step 4: Simplify right side
    6,493,909.12x = 18,946,537,410,124
  5. Step 5: Solve for x
    x = 18,946,537,410,124/6,493,909.12
  6. Step 6: Final answer
    x = 2,917,585.86

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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.