Home / 1,938,723.39-2,675,333.49-1,067,388.42

Finding the Fourth Proportional to 1,938,723.39, 2,675,333.49 and 1,067,388.42

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Solution

The fourth proportional to 1,938,723.39, 2,675,333.49 and 1,067,388.42 is: 1,472,938.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,723.39 : 2,675,333.49 = 1,067,388.42 : x
  2. Step 2: Convert to fraction form
    1,938,723.39/2,675,333.49 = 1,067,388.42/x
  3. Step 3: Cross multiply
    1,938,723.39x = 2,675,333.49 × 1,067,388.42
  4. Step 4: Simplify right side
    1,938,723.39x = 2,855,619,970,320.85
  5. Step 5: Solve for x
    x = 2,855,619,970,320.85/1,938,723.39
  6. Step 6: Final answer
    x = 1,472,938.32

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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.