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Finding the Fourth Proportional to 2,718,743.04, 3,751,804.32 and 1,478,326.64

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Solution

The fourth proportional to 2,718,743.04, 3,751,804.32 and 1,478,326.64 is: 2,040,057.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,743.04 : 3,751,804.32 = 1,478,326.64 : x
  2. Step 2: Convert to fraction form
    2,718,743.04/3,751,804.32 = 1,478,326.64/x
  3. Step 3: Cross multiply
    2,718,743.04x = 3,751,804.32 × 1,478,326.64
  4. Step 4: Simplify right side
    2,718,743.04x = 5,546,392,274,323.08
  5. Step 5: Solve for x
    x = 5,546,392,274,323.08/2,718,743.04
  6. Step 6: Final answer
    x = 2,040,057.55

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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.