Home / 1,778,627.20-2,667,541.49-818,160.36

Finding the Fourth Proportional to 1,778,627.20, 2,667,541.49 and 818,160.36

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Solution

The fourth proportional to 1,778,627.20, 2,667,541.49 and 818,160.36 is: 1,227,056.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,627.20 : 2,667,541.49 = 818,160.36 : x
  2. Step 2: Convert to fraction form
    1,778,627.20/2,667,541.49 = 818,160.36/x
  3. Step 3: Cross multiply
    1,778,627.20x = 2,667,541.49 × 818,160.36
  4. Step 4: Simplify right side
    1,778,627.20x = 2,182,476,705,773.34
  5. Step 5: Solve for x
    x = 2,182,476,705,773.34/1,778,627.20
  6. Step 6: Final answer
    x = 1,227,056.86

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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.