Home / 3,915,110.20-5,867,999.70-1,640,630.20

Finding the Fourth Proportional to 3,915,110.20, 5,867,999.70 and 1,640,630.20

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Solution

The fourth proportional to 3,915,110.20, 5,867,999.70 and 1,640,630.20 is: 2,458,990.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,110.20 : 5,867,999.70 = 1,640,630.20 : x
  2. Step 2: Convert to fraction form
    3,915,110.20/5,867,999.70 = 1,640,630.20/x
  3. Step 3: Cross multiply
    3,915,110.20x = 5,867,999.70 × 1,640,630.20
  4. Step 4: Simplify right side
    3,915,110.20x = 9,627,217,521,410.94
  5. Step 5: Solve for x
    x = 9,627,217,521,410.94/3,915,110.20
  6. Step 6: Final answer
    x = 2,458,990.18

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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.