Home / 3,578,847-4,938,808.86-1,969,215

Finding the Fourth Proportional to 3,578,847, 4,938,808.86 and 1,969,215

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Solution

The fourth proportional to 3,578,847, 4,938,808.86 and 1,969,215 is: 2,717,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578,847 : 4,938,808.86 = 1,969,215 : x
  2. Step 2: Convert to fraction form
    3,578,847/4,938,808.86 = 1,969,215/x
  3. Step 3: Cross multiply
    3,578,847x = 4,938,808.86 × 1,969,215
  4. Step 4: Simplify right side
    3,578,847x = 9,725,576,489,244.90
  5. Step 5: Solve for x
    x = 9,725,576,489,244.90/3,578,847
  6. Step 6: Final answer
    x = 2,717,516.70

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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.