Home / 5,781,214.20-8,669,780.10-1,993,816.20

Finding the Fourth Proportional to 5,781,214.20, 8,669,780.10 and 1,993,816.20

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Solution

The fourth proportional to 5,781,214.20, 8,669,780.10 and 1,993,816.20 is: 2,990,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781,214.20 : 8,669,780.10 = 1,993,816.20 : x
  2. Step 2: Convert to fraction form
    5,781,214.20/8,669,780.10 = 1,993,816.20/x
  3. Step 3: Cross multiply
    5,781,214.20x = 8,669,780.10 × 1,993,816.20
  4. Step 4: Simplify right side
    5,781,214.20x = 17,285,948,013,817.62
  5. Step 5: Solve for x
    x = 17,285,948,013,817.62/5,781,214.20
  6. Step 6: Final answer
    x = 2,990,020.33

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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.