Home / 3,917,189.43-5,876,054.07-1,640,421.45

Finding the Fourth Proportional to 3,917,189.43, 5,876,054.07 and 1,640,421.45

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Solution

The fourth proportional to 3,917,189.43, 5,876,054.07 and 1,640,421.45 is: 2,460,745.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917,189.43 : 5,876,054.07 = 1,640,421.45 : x
  2. Step 2: Convert to fraction form
    3,917,189.43/5,876,054.07 = 1,640,421.45/x
  3. Step 3: Cross multiply
    3,917,189.43x = 5,876,054.07 × 1,640,421.45
  4. Step 4: Simplify right side
    3,917,189.43x = 9,639,205,137,787.80
  5. Step 5: Solve for x
    x = 9,639,205,137,787.80/3,917,189.43
  6. Step 6: Final answer
    x = 2,460,745.21

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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.