Home / 4,872,500.20-7,309,211.10-1,326,644.20

Finding the Fourth Proportional to 4,872,500.20, 7,309,211.10 and 1,326,644.20

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Solution

The fourth proportional to 4,872,500.20, 7,309,211.10 and 1,326,644.20 is: 1,990,091.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872,500.20 : 7,309,211.10 = 1,326,644.20 : x
  2. Step 2: Convert to fraction form
    4,872,500.20/7,309,211.10 = 1,326,644.20/x
  3. Step 3: Cross multiply
    4,872,500.20x = 7,309,211.10 × 1,326,644.20
  4. Step 4: Simplify right side
    4,872,500.20x = 9,696,722,512,390.62
  5. Step 5: Solve for x
    x = 9,696,722,512,390.62/4,872,500.20
  6. Step 6: Final answer
    x = 1,990,091.76

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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.