Home / 3,419,795.66-4,719,105.43-1,891,902.78

Finding the Fourth Proportional to 3,419,795.66, 4,719,105.43 and 1,891,902.78

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Solution

The fourth proportional to 3,419,795.66, 4,719,105.43 and 1,891,902.78 is: 2,610,708.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419,795.66 : 4,719,105.43 = 1,891,902.78 : x
  2. Step 2: Convert to fraction form
    3,419,795.66/4,719,105.43 = 1,891,902.78/x
  3. Step 3: Cross multiply
    3,419,795.66x = 4,719,105.43 × 1,891,902.78
  4. Step 4: Simplify right side
    3,419,795.66x = 8,928,088,677,400.34
  5. Step 5: Solve for x
    x = 8,928,088,677,400.34/3,419,795.66
  6. Step 6: Final answer
    x = 2,610,708.23

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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.