Home / 3,086,307.40-4,632,449.10-1,489,990.60

Finding the Fourth Proportional to 3,086,307.40, 4,632,449.10 and 1,489,990.60

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Solution

The fourth proportional to 3,086,307.40, 4,632,449.10 and 1,489,990.60 is: 2,236,428.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086,307.40 : 4,632,449.10 = 1,489,990.60 : x
  2. Step 2: Convert to fraction form
    3,086,307.40/4,632,449.10 = 1,489,990.60/x
  3. Step 3: Cross multiply
    3,086,307.40x = 4,632,449.10 × 1,489,990.60
  4. Step 4: Simplify right side
    3,086,307.40x = 6,902,305,613,978.46
  5. Step 5: Solve for x
    x = 6,902,305,613,978.46/3,086,307.40
  6. Step 6: Final answer
    x = 2,236,428.43

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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.