Home / 3,686,212.40-5,529,313.83-990,537.64

Finding the Fourth Proportional to 3,686,212.40, 5,529,313.83 and 990,537.64

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Solution

The fourth proportional to 3,686,212.40, 5,529,313.83 and 990,537.64 is: 1,485,805.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686,212.40 : 5,529,313.83 = 990,537.64 : x
  2. Step 2: Convert to fraction form
    3,686,212.40/5,529,313.83 = 990,537.64/x
  3. Step 3: Cross multiply
    3,686,212.40x = 5,529,313.83 × 990,537.64
  4. Step 4: Simplify right side
    3,686,212.40x = 5,476,993,444,340.99
  5. Step 5: Solve for x
    x = 5,476,993,444,340.99/3,686,212.40
  6. Step 6: Final answer
    x = 1,485,805.17

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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.