Home / 3,168,579.12-4,372,640.22-1,718,274.12

Finding the Fourth Proportional to 3,168,579.12, 4,372,640.22 and 1,718,274.12

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Solution

The fourth proportional to 3,168,579.12, 4,372,640.22 and 1,718,274.12 is: 2,371,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,579.12 : 4,372,640.22 = 1,718,274.12 : x
  2. Step 2: Convert to fraction form
    3,168,579.12/4,372,640.22 = 1,718,274.12/x
  3. Step 3: Cross multiply
    3,168,579.12x = 4,372,640.22 × 1,718,274.12
  4. Step 4: Simplify right side
    3,168,579.12x = 7,513,394,526,097.11
  5. Step 5: Solve for x
    x = 7,513,394,526,097.11/3,168,579.12
  6. Step 6: Final answer
    x = 2,371,218.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.