Home / 3,179,041.70-4,387,192.91-1,821,177.14

Finding the Fourth Proportional to 3,179,041.70, 4,387,192.91 and 1,821,177.14

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Solution

The fourth proportional to 3,179,041.70, 4,387,192.91 and 1,821,177.14 is: 2,513,290.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,041.70 : 4,387,192.91 = 1,821,177.14 : x
  2. Step 2: Convert to fraction form
    3,179,041.70/4,387,192.91 = 1,821,177.14/x
  3. Step 3: Cross multiply
    3,179,041.70x = 4,387,192.91 × 1,821,177.14
  4. Step 4: Simplify right side
    3,179,041.70x = 7,989,855,436,462.08
  5. Step 5: Solve for x
    x = 7,989,855,436,462.08/3,179,041.70
  6. Step 6: Final answer
    x = 2,513,290.54

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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.