Home / 3,829,971.24-5,745,153.69-990,108

Finding the Fourth Proportional to 3,829,971.24, 5,745,153.69 and 990,108

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Solution

The fourth proportional to 3,829,971.24, 5,745,153.69 and 990,108 is: 1,485,212.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829,971.24 : 5,745,153.69 = 990,108 : x
  2. Step 2: Convert to fraction form
    3,829,971.24/5,745,153.69 = 990,108/x
  3. Step 3: Cross multiply
    3,829,971.24x = 5,745,153.69 × 990,108
  4. Step 4: Simplify right side
    3,829,971.24x = 5,688,322,629,698.52
  5. Step 5: Solve for x
    x = 5,688,322,629,698.52/3,829,971.24
  6. Step 6: Final answer
    x = 1,485,212.88

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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.