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Finding the Fourth Proportional to 3,608,820.54, 4,979,539.38 and 2,059,374.78

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Solution

The fourth proportional to 3,608,820.54, 4,979,539.38 and 2,059,374.78 is: 2,841,575.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,820.54 : 4,979,539.38 = 2,059,374.78 : x
  2. Step 2: Convert to fraction form
    3,608,820.54/4,979,539.38 = 2,059,374.78/x
  3. Step 3: Cross multiply
    3,608,820.54x = 4,979,539.38 × 2,059,374.78
  4. Step 4: Simplify right side
    3,608,820.54x = 10,254,737,815,188.84
  5. Step 5: Solve for x
    x = 10,254,737,815,188.84/3,608,820.54
  6. Step 6: Final answer
    x = 2,841,575.99

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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.