Home / 5,268,780.30-7,904,428.31-1,674,553.78

Finding the Fourth Proportional to 5,268,780.30, 7,904,428.31 and 1,674,553.78

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Solution

The fourth proportional to 5,268,780.30, 7,904,428.31 and 1,674,553.78 is: 2,512,230.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268,780.30 : 7,904,428.31 = 1,674,553.78 : x
  2. Step 2: Convert to fraction form
    5,268,780.30/7,904,428.31 = 1,674,553.78/x
  3. Step 3: Cross multiply
    5,268,780.30x = 7,904,428.31 × 1,674,553.78
  4. Step 4: Simplify right side
    5,268,780.30x = 13,236,390,292,375.54
  5. Step 5: Solve for x
    x = 13,236,390,292,375.54/5,268,780.30
  6. Step 6: Final answer
    x = 2,512,230.45

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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.