Home / 5,352,382.86-8,030,149.20-2,155,863.66

Finding the Fourth Proportional to 5,352,382.86, 8,030,149.20 and 2,155,863.66

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Solution

The fourth proportional to 5,352,382.86, 8,030,149.20 and 2,155,863.66 is: 3,234,429.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352,382.86 : 8,030,149.20 = 2,155,863.66 : x
  2. Step 2: Convert to fraction form
    5,352,382.86/8,030,149.20 = 2,155,863.66/x
  3. Step 3: Cross multiply
    5,352,382.86x = 8,030,149.20 × 2,155,863.66
  4. Step 4: Simplify right side
    5,352,382.86x = 17,311,906,844,658.07
  5. Step 5: Solve for x
    x = 17,311,906,844,658.07/5,352,382.86
  6. Step 6: Final answer
    x = 3,234,429.84

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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.