Home / 3,516,792.81-5,274,451.08-991,857.57

Finding the Fourth Proportional to 3,516,792.81, 5,274,451.08 and 991,857.57

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Solution

The fourth proportional to 3,516,792.81, 5,274,451.08 and 991,857.57 is: 1,487,578.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516,792.81 : 5,274,451.08 = 991,857.57 : x
  2. Step 2: Convert to fraction form
    3,516,792.81/5,274,451.08 = 991,857.57/x
  3. Step 3: Cross multiply
    3,516,792.81x = 5,274,451.08 × 991,857.57
  4. Step 4: Simplify right side
    3,516,792.81x = 5,231,504,231,292.68
  5. Step 5: Solve for x
    x = 5,231,504,231,292.68/3,516,792.81
  6. Step 6: Final answer
    x = 1,487,578.18

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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.