Home / 2,028,568.78-2,799,512.40-1,123,150.78

Finding the Fourth Proportional to 2,028,568.78, 2,799,512.40 and 1,123,150.78

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Solution

The fourth proportional to 2,028,568.78, 2,799,512.40 and 1,123,150.78 is: 1,549,996.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028,568.78 : 2,799,512.40 = 1,123,150.78 : x
  2. Step 2: Convert to fraction form
    2,028,568.78/2,799,512.40 = 1,123,150.78/x
  3. Step 3: Cross multiply
    2,028,568.78x = 2,799,512.40 × 1,123,150.78
  4. Step 4: Simplify right side
    2,028,568.78x = 3,144,274,535,679.67
  5. Step 5: Solve for x
    x = 3,144,274,535,679.67/2,028,568.78
  6. Step 6: Final answer
    x = 1,549,996.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.