Home / 2,133,902.96-2,940,060.12-1,407,469.04

Finding the Fourth Proportional to 2,133,902.96, 2,940,060.12 and 1,407,469.04

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Solution

The fourth proportional to 2,133,902.96, 2,940,060.12 and 1,407,469.04 is: 1,939,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,902.96 : 2,940,060.12 = 1,407,469.04 : x
  2. Step 2: Convert to fraction form
    2,133,902.96/2,940,060.12 = 1,407,469.04/x
  3. Step 3: Cross multiply
    2,133,902.96x = 2,940,060.12 × 1,407,469.04
  4. Step 4: Simplify right side
    2,133,902.96x = 4,138,043,594,638.69
  5. Step 5: Solve for x
    x = 4,138,043,594,638.69/2,133,902.96
  6. Step 6: Final answer
    x = 1,939,190.15

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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.