Home / 3,910,890.19-5,868,016.80-1,890,653.21

Finding the Fourth Proportional to 3,910,890.19, 5,868,016.80 and 1,890,653.21

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Solution

The fourth proportional to 3,910,890.19, 5,868,016.80 and 1,890,653.21 is: 2,836,792.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910,890.19 : 5,868,016.80 = 1,890,653.21 : x
  2. Step 2: Convert to fraction form
    3,910,890.19/5,868,016.80 = 1,890,653.21/x
  3. Step 3: Cross multiply
    3,910,890.19x = 5,868,016.80 × 1,890,653.21
  4. Step 4: Simplify right side
    3,910,890.19x = 11,094,384,813,923.97
  5. Step 5: Solve for x
    x = 11,094,384,813,923.97/3,910,890.19
  6. Step 6: Final answer
    x = 2,836,792.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.