Home / 6,904,009.20-10,356,791.40-2,111,660.40

Finding the Fourth Proportional to 6,904,009.20, 10,356,791.40 and 2,111,660.40

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Solution

The fourth proportional to 6,904,009.20, 10,356,791.40 and 2,111,660.40 is: 3,167,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,904,009.20 : 10,356,791.40 = 2,111,660.40 : x
  2. Step 2: Convert to fraction form
    6,904,009.20/10,356,791.40 = 2,111,660.40/x
  3. Step 3: Cross multiply
    6,904,009.20x = 10,356,791.40 × 2,111,660.40
  4. Step 4: Simplify right side
    6,904,009.20x = 21,870,026,270,440.56
  5. Step 5: Solve for x
    x = 21,870,026,270,440.56/6,904,009.20
  6. Step 6: Final answer
    x = 3,167,728.44

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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.