Home / 3,188,126.09-4,783,239.03-1,294,359.05

Finding the Fourth Proportional to 3,188,126.09, 4,783,239.03 and 1,294,359.05

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Solution

The fourth proportional to 3,188,126.09, 4,783,239.03 and 1,294,359.05 is: 1,941,964.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,126.09 : 4,783,239.03 = 1,294,359.05 : x
  2. Step 2: Convert to fraction form
    3,188,126.09/4,783,239.03 = 1,294,359.05/x
  3. Step 3: Cross multiply
    3,188,126.09x = 4,783,239.03 × 1,294,359.05
  4. Step 4: Simplify right side
    3,188,126.09x = 6,191,228,726,793.72
  5. Step 5: Solve for x
    x = 6,191,228,726,793.72/3,188,126.09
  6. Step 6: Final answer
    x = 1,941,964.83

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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.