Home / 1,778,630.70-2,667,546.73-818,163.86

Finding the Fourth Proportional to 1,778,630.70, 2,667,546.73 and 818,163.86

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Solution

The fourth proportional to 1,778,630.70, 2,667,546.73 and 818,163.86 is: 1,227,062.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,630.70 : 2,667,546.73 = 818,163.86 : x
  2. Step 2: Convert to fraction form
    1,778,630.70/2,667,546.73 = 818,163.86/x
  3. Step 3: Cross multiply
    1,778,630.70x = 2,667,546.73 × 818,163.86
  4. Step 4: Simplify right side
    1,778,630.70x = 2,182,490,329,347.18
  5. Step 5: Solve for x
    x = 2,182,490,329,347.18/1,778,630.70
  6. Step 6: Final answer
    x = 1,227,062.10

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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.