Home / 3,686,212.72-5,529,314.31-990,537.97

Finding the Fourth Proportional to 3,686,212.72, 5,529,314.31 and 990,537.97

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Solution

The fourth proportional to 3,686,212.72, 5,529,314.31 and 990,537.97 is: 1,485,805.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686,212.72 : 5,529,314.31 = 990,537.97 : x
  2. Step 2: Convert to fraction form
    3,686,212.72/5,529,314.31 = 990,537.97/x
  3. Step 3: Cross multiply
    3,686,212.72x = 5,529,314.31 × 990,537.97
  4. Step 4: Simplify right side
    3,686,212.72x = 5,476,995,754,581.55
  5. Step 5: Solve for x
    x = 5,476,995,754,581.55/3,686,212.72
  6. Step 6: Final answer
    x = 1,485,805.67

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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.