Home / 2,015,520.92-2,781,734.77-1,188,685.36

Finding the Fourth Proportional to 2,015,520.92, 2,781,734.77 and 1,188,685.36

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Solution

The fourth proportional to 2,015,520.92, 2,781,734.77 and 1,188,685.36 is: 1,640,572.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,520.92 : 2,781,734.77 = 1,188,685.36 : x
  2. Step 2: Convert to fraction form
    2,015,520.92/2,781,734.77 = 1,188,685.36/x
  3. Step 3: Cross multiply
    2,015,520.92x = 2,781,734.77 × 1,188,685.36
  4. Step 4: Simplify right side
    2,015,520.92x = 3,306,607,412,631.80
  5. Step 5: Solve for x
    x = 3,306,607,412,631.80/2,015,520.92
  6. Step 6: Final answer
    x = 1,640,572.11

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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.