Home / 3,928,042.96-5,892,067.68-1,878,221.22

Finding the Fourth Proportional to 3,928,042.96, 5,892,067.68 and 1,878,221.22

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Solution

The fourth proportional to 3,928,042.96, 5,892,067.68 and 1,878,221.22 is: 2,817,333.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,042.96 : 5,892,067.68 = 1,878,221.22 : x
  2. Step 2: Convert to fraction form
    3,928,042.96/5,892,067.68 = 1,878,221.22/x
  3. Step 3: Cross multiply
    3,928,042.96x = 5,892,067.68 × 1,878,221.22
  4. Step 4: Simplify right side
    3,928,042.96x = 11,066,606,517,113.59
  5. Step 5: Solve for x
    x = 11,066,606,517,113.59/3,928,042.96
  6. Step 6: Final answer
    x = 2,817,333.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.