Home / 3,549,276.92-5,324,813.46-990,491.56

Finding the Fourth Proportional to 3,549,276.92, 5,324,813.46 and 990,491.56

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Solution

The fourth proportional to 3,549,276.92, 5,324,813.46 and 990,491.56 is: 1,485,987.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549,276.92 : 5,324,813.46 = 990,491.56 : x
  2. Step 2: Convert to fraction form
    3,549,276.92/5,324,813.46 = 990,491.56/x
  3. Step 3: Cross multiply
    3,549,276.92x = 5,324,813.46 × 990,491.56
  4. Step 4: Simplify right side
    3,549,276.92x = 5,274,182,790,704.40
  5. Step 5: Solve for x
    x = 5,274,182,790,704.40/3,549,276.92
  6. Step 6: Final answer
    x = 1,485,987.97

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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.