Home / 2,016,939.60-3,025,204.60-687,224.40

Finding the Fourth Proportional to 2,016,939.60, 3,025,204.60 and 687,224.40

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Solution

The fourth proportional to 2,016,939.60, 3,025,204.60 and 687,224.40 is: 1,030,766.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016,939.60 : 3,025,204.60 = 687,224.40 : x
  2. Step 2: Convert to fraction form
    2,016,939.60/3,025,204.60 = 687,224.40/x
  3. Step 3: Cross multiply
    2,016,939.60x = 3,025,204.60 × 687,224.40
  4. Step 4: Simplify right side
    2,016,939.60x = 2,078,994,416,112.24
  5. Step 5: Solve for x
    x = 2,078,994,416,112.24/2,016,939.60
  6. Step 6: Final answer
    x = 1,030,766.82

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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.