Home / 3,419,625.76-4,719,222.48-1,891,706.56

Finding the Fourth Proportional to 3,419,625.76, 4,719,222.48 and 1,891,706.56

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Solution

The fourth proportional to 3,419,625.76, 4,719,222.48 and 1,891,706.56 is: 2,610,631.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419,625.76 : 4,719,222.48 = 1,891,706.56 : x
  2. Step 2: Convert to fraction form
    3,419,625.76/4,719,222.48 = 1,891,706.56/x
  3. Step 3: Cross multiply
    3,419,625.76x = 4,719,222.48 × 1,891,706.56
  4. Step 4: Simplify right side
    3,419,625.76x = 8,927,384,123,515.47
  5. Step 5: Solve for x
    x = 8,927,384,123,515.47/3,419,625.76
  6. Step 6: Final answer
    x = 2,610,631.91

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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.