Home / 1,857,638.44-2,786,454.78-1,226,404.36

Finding the Fourth Proportional to 1,857,638.44, 2,786,454.78 and 1,226,404.36

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Solution

The fourth proportional to 1,857,638.44, 2,786,454.78 and 1,226,404.36 is: 1,839,604.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857,638.44 : 2,786,454.78 = 1,226,404.36 : x
  2. Step 2: Convert to fraction form
    1,857,638.44/2,786,454.78 = 1,226,404.36/x
  3. Step 3: Cross multiply
    1,857,638.44x = 2,786,454.78 × 1,226,404.36
  4. Step 4: Simplify right side
    1,857,638.44x = 3,417,320,291,134.84
  5. Step 5: Solve for x
    x = 3,417,320,291,134.84/1,857,638.44
  6. Step 6: Final answer
    x = 1,839,604.64

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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.