Home / 3,686,212.71-5,529,314.31-990,537.98

Finding the Fourth Proportional to 3,686,212.71, 5,529,314.31 and 990,537.98

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Solution

The fourth proportional to 3,686,212.71, 5,529,314.31 and 990,537.98 is: 1,485,805.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686,212.71 : 5,529,314.31 = 990,537.98 : x
  2. Step 2: Convert to fraction form
    3,686,212.71/5,529,314.31 = 990,537.98/x
  3. Step 3: Cross multiply
    3,686,212.71x = 5,529,314.31 × 990,537.98
  4. Step 4: Simplify right side
    3,686,212.71x = 5,476,995,799,765.92
  5. Step 5: Solve for x
    x = 5,476,995,799,765.92/3,686,212.71
  6. Step 6: Final answer
    x = 1,485,805.68

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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.