Home / 1,778,627.95-2,667,542.61-818,161.11

Finding the Fourth Proportional to 1,778,627.95, 2,667,542.61 and 818,161.11

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Solution

The fourth proportional to 1,778,627.95, 2,667,542.61 and 818,161.11 is: 1,227,057.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,627.95 : 2,667,542.61 = 818,161.11 : x
  2. Step 2: Convert to fraction form
    1,778,627.95/2,667,542.61 = 818,161.11/x
  3. Step 3: Cross multiply
    1,778,627.95x = 2,667,542.61 × 818,161.11
  4. Step 4: Simplify right side
    1,778,627.95x = 2,182,479,622,769.90
  5. Step 5: Solve for x
    x = 2,182,479,622,769.90/1,778,627.95
  6. Step 6: Final answer
    x = 1,227,057.98

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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.