Home / 3,686,213.22-5,529,315.06-990,538.47

Finding the Fourth Proportional to 3,686,213.22, 5,529,315.06 and 990,538.47

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Solution

The fourth proportional to 3,686,213.22, 5,529,315.06 and 990,538.47 is: 1,485,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686,213.22 : 5,529,315.06 = 990,538.47 : x
  2. Step 2: Convert to fraction form
    3,686,213.22/5,529,315.06 = 990,538.47/x
  3. Step 3: Cross multiply
    3,686,213.22x = 5,529,315.06 × 990,538.47
  4. Step 4: Simplify right side
    3,686,213.22x = 5,476,999,274,727.67
  5. Step 5: Solve for x
    x = 5,476,999,274,727.67/3,686,213.22
  6. Step 6: Final answer
    x = 1,485,806.42

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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.