Home / 5,584,906.20-8,377,359.30-1,990,790.40

Finding the Fourth Proportional to 5,584,906.20, 8,377,359.30 and 1,990,790.40

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Solution

The fourth proportional to 5,584,906.20, 8,377,359.30 and 1,990,790.40 is: 2,986,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,584,906.20 : 8,377,359.30 = 1,990,790.40 : x
  2. Step 2: Convert to fraction form
    5,584,906.20/8,377,359.30 = 1,990,790.40/x
  3. Step 3: Cross multiply
    5,584,906.20x = 8,377,359.30 × 1,990,790.40
  4. Step 4: Simplify right side
    5,584,906.20x = 16,677,566,471,790.72
  5. Step 5: Solve for x
    x = 16,677,566,471,790.72/5,584,906.20
  6. Step 6: Final answer
    x = 2,986,185.60

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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.