Home / 5,987,999.20-8,981,998.80-1,728,306.40

Finding the Fourth Proportional to 5,987,999.20, 8,981,998.80 and 1,728,306.40

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Solution

The fourth proportional to 5,987,999.20, 8,981,998.80 and 1,728,306.40 is: 2,592,459.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987,999.20 : 8,981,998.80 = 1,728,306.40 : x
  2. Step 2: Convert to fraction form
    5,987,999.20/8,981,998.80 = 1,728,306.40/x
  3. Step 3: Cross multiply
    5,987,999.20x = 8,981,998.80 × 1,728,306.40
  4. Step 4: Simplify right side
    5,987,999.20x = 15,523,646,010,832.32
  5. Step 5: Solve for x
    x = 15,523,646,010,832.32/5,987,999.20
  6. Step 6: Final answer
    x = 2,592,459.60

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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.