Home / 3,111,041-4,293,238.20-1,680,257

Finding the Fourth Proportional to 3,111,041, 4,293,238.20 and 1,680,257

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Solution

The fourth proportional to 3,111,041, 4,293,238.20 and 1,680,257 is: 2,318,755.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,041 : 4,293,238.20 = 1,680,257 : x
  2. Step 2: Convert to fraction form
    3,111,041/4,293,238.20 = 1,680,257/x
  3. Step 3: Cross multiply
    3,111,041x = 4,293,238.20 × 1,680,257
  4. Step 4: Simplify right side
    3,111,041x = 7,213,743,538,217.40
  5. Step 5: Solve for x
    x = 7,213,743,538,217.40/3,111,041
  6. Step 6: Final answer
    x = 2,318,755.53

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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.