Home / 3,427,215.07-4,729,476.31-1,899,289.39

Finding the Fourth Proportional to 3,427,215.07, 4,729,476.31 and 1,899,289.39

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Solution

The fourth proportional to 3,427,215.07, 4,729,476.31 and 1,899,289.39 is: 2,620,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427,215.07 : 4,729,476.31 = 1,899,289.39 : x
  2. Step 2: Convert to fraction form
    3,427,215.07/4,729,476.31 = 1,899,289.39/x
  3. Step 3: Cross multiply
    3,427,215.07x = 4,729,476.31 × 1,899,289.39
  4. Step 4: Simplify right side
    3,427,215.07x = 8,982,644,175,839.35
  5. Step 5: Solve for x
    x = 8,982,644,175,839.35/3,427,215.07
  6. Step 6: Final answer
    x = 2,620,974.75

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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.