Home / 3,198,066.32-4,413,331.98-1,821,538.28

Finding the Fourth Proportional to 3,198,066.32, 4,413,331.98 and 1,821,538.28

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Solution

The fourth proportional to 3,198,066.32, 4,413,331.98 and 1,821,538.28 is: 2,513,723.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198,066.32 : 4,413,331.98 = 1,821,538.28 : x
  2. Step 2: Convert to fraction form
    3,198,066.32/4,413,331.98 = 1,821,538.28/x
  3. Step 3: Cross multiply
    3,198,066.32x = 4,413,331.98 × 1,821,538.28
  4. Step 4: Simplify right side
    3,198,066.32x = 8,039,053,143,918.20
  5. Step 5: Solve for x
    x = 8,039,053,143,918.20/3,198,066.32
  6. Step 6: Final answer
    x = 2,513,723.09

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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.