Home / 3,578,845-4,938,806.12-1,969,213

Finding the Fourth Proportional to 3,578,845, 4,938,806.12 and 1,969,213

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Solution

The fourth proportional to 3,578,845, 4,938,806.12 and 1,969,213 is: 2,717,513.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578,845 : 4,938,806.12 = 1,969,213 : x
  2. Step 2: Convert to fraction form
    3,578,845/4,938,806.12 = 1,969,213/x
  3. Step 3: Cross multiply
    3,578,845x = 4,938,806.12 × 1,969,213
  4. Step 4: Simplify right side
    3,578,845x = 9,725,561,215,983.56
  5. Step 5: Solve for x
    x = 9,725,561,215,983.56/3,578,845
  6. Step 6: Final answer
    x = 2,717,513.95

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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.