Home / 5,367,991.23-7,412,297.46-4,978,538.48

Finding the Fourth Proportional to 5,367,991.23, 7,412,297.46 and 4,978,538.48

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Solution

The fourth proportional to 5,367,991.23, 7,412,297.46 and 4,978,538.48 is: 6,874,528.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367,991.23 : 7,412,297.46 = 4,978,538.48 : x
  2. Step 2: Convert to fraction form
    5,367,991.23/7,412,297.46 = 4,978,538.48/x
  3. Step 3: Cross multiply
    5,367,991.23x = 7,412,297.46 × 4,978,538.48
  4. Step 4: Simplify right side
    5,367,991.23x = 36,902,408,092,754.77
  5. Step 5: Solve for x
    x = 36,902,408,092,754.77/5,367,991.23
  6. Step 6: Final answer
    x = 6,874,528.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.