Home / 3,670,387.89-5,505,523.51-900,685.43

Finding the Fourth Proportional to 3,670,387.89, 5,505,523.51 and 900,685.43

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Solution

The fourth proportional to 3,670,387.89, 5,505,523.51 and 900,685.43 is: 1,351,013.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,387.89 : 5,505,523.51 = 900,685.43 : x
  2. Step 2: Convert to fraction form
    3,670,387.89/5,505,523.51 = 900,685.43/x
  3. Step 3: Cross multiply
    3,670,387.89x = 5,505,523.51 × 900,685.43
  4. Step 4: Simplify right side
    3,670,387.89x = 4,958,744,809,979.46
  5. Step 5: Solve for x
    x = 4,958,744,809,979.46/3,670,387.89
  6. Step 6: Final answer
    x = 1,351,013.83

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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.