Home / 3,102,693.46-4,279,967.44-1,861,986.49

Finding the Fourth Proportional to 3,102,693.46, 4,279,967.44 and 1,861,986.49

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Solution

The fourth proportional to 3,102,693.46, 4,279,967.44 and 1,861,986.49 is: 2,568,491.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,693.46 : 4,279,967.44 = 1,861,986.49 : x
  2. Step 2: Convert to fraction form
    3,102,693.46/4,279,967.44 = 1,861,986.49/x
  3. Step 3: Cross multiply
    3,102,693.46x = 4,279,967.44 × 1,861,986.49
  4. Step 4: Simplify right side
    3,102,693.46x = 7,969,241,535,565.00
  5. Step 5: Solve for x
    x = 7,969,241,535,565.00/3,102,693.46
  6. Step 6: Final answer
    x = 2,568,491.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.