Home / 3,158,986.24-4,738,493.15-1,000,021.92

Finding the Fourth Proportional to 3,158,986.24, 4,738,493.15 and 1,000,021.92

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Solution

The fourth proportional to 3,158,986.24, 4,738,493.15 and 1,000,021.92 is: 1,500,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158,986.24 : 4,738,493.15 = 1,000,021.92 : x
  2. Step 2: Convert to fraction form
    3,158,986.24/4,738,493.15 = 1,000,021.92/x
  3. Step 3: Cross multiply
    3,158,986.24x = 4,738,493.15 × 1,000,021.92
  4. Step 4: Simplify right side
    3,158,986.24x = 4,738,597,017,769.85
  5. Step 5: Solve for x
    x = 4,738,597,017,769.85/3,158,986.24
  6. Step 6: Final answer
    x = 1,500,037.25

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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.