Home / 1,778,628.20-2,667,543-818,161.36

Finding the Fourth Proportional to 1,778,628.20, 2,667,543 and 818,161.36

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Solution

The fourth proportional to 1,778,628.20, 2,667,543 and 818,161.36 is: 1,227,058.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,628.20 : 2,667,543 = 818,161.36 : x
  2. Step 2: Convert to fraction form
    1,778,628.20/2,667,543 = 818,161.36/x
  3. Step 3: Cross multiply
    1,778,628.20x = 2,667,543 × 818,161.36
  4. Step 4: Simplify right side
    1,778,628.20x = 2,182,480,608,738.48
  5. Step 5: Solve for x
    x = 2,182,480,608,738.48/1,778,628.20
  6. Step 6: Final answer
    x = 1,227,058.36

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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.