Home / 3,686,212.10-5,529,313.38-990,537.35

Finding the Fourth Proportional to 3,686,212.10, 5,529,313.38 and 990,537.35

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Solution

The fourth proportional to 3,686,212.10, 5,529,313.38 and 990,537.35 is: 1,485,804.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686,212.10 : 5,529,313.38 = 990,537.35 : x
  2. Step 2: Convert to fraction form
    3,686,212.10/5,529,313.38 = 990,537.35/x
  3. Step 3: Cross multiply
    3,686,212.10x = 5,529,313.38 × 990,537.35
  4. Step 4: Simplify right side
    3,686,212.10x = 5,476,991,398,812.69
  5. Step 5: Solve for x
    x = 5,476,991,398,812.69/3,686,212.10
  6. Step 6: Final answer
    x = 1,485,804.74

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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.