Home / 3,273,679.40-4,517,678.81-1,897,820.69

Finding the Fourth Proportional to 3,273,679.40, 4,517,678.81 and 1,897,820.69

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Solution

The fourth proportional to 3,273,679.40, 4,517,678.81 and 1,897,820.69 is: 2,618,993.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273,679.40 : 4,517,678.81 = 1,897,820.69 : x
  2. Step 2: Convert to fraction form
    3,273,679.40/4,517,678.81 = 1,897,820.69/x
  3. Step 3: Cross multiply
    3,273,679.40x = 4,517,678.81 × 1,897,820.69
  4. Step 4: Simplify right side
    3,273,679.40x = 8,573,744,332,431.33
  5. Step 5: Solve for x
    x = 8,573,744,332,431.33/3,273,679.40
  6. Step 6: Final answer
    x = 2,618,993.27

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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.