Home / 5,112,892.33-7,055,938.96-2,821,200.64

Finding the Fourth Proportional to 5,112,892.33, 7,055,938.96 and 2,821,200.64

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Solution

The fourth proportional to 5,112,892.33, 7,055,938.96 and 2,821,200.64 is: 3,893,338.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,892.33 : 7,055,938.96 = 2,821,200.64 : x
  2. Step 2: Convert to fraction form
    5,112,892.33/7,055,938.96 = 2,821,200.64/x
  3. Step 3: Cross multiply
    5,112,892.33x = 7,055,938.96 × 2,821,200.64
  4. Step 4: Simplify right side
    5,112,892.33x = 19,906,219,485,060.09
  5. Step 5: Solve for x
    x = 19,906,219,485,060.09/5,112,892.33
  6. Step 6: Final answer
    x = 3,893,338.29

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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.