Home / 2,145,243.84-3,217,816.08-1,079,999.88

Finding the Fourth Proportional to 2,145,243.84, 3,217,816.08 and 1,079,999.88

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Solution

The fourth proportional to 2,145,243.84, 3,217,816.08 and 1,079,999.88 is: 1,619,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,243.84 : 3,217,816.08 = 1,079,999.88 : x
  2. Step 2: Convert to fraction form
    2,145,243.84/3,217,816.08 = 1,079,999.88/x
  3. Step 3: Cross multiply
    2,145,243.84x = 3,217,816.08 × 1,079,999.88
  4. Step 4: Simplify right side
    2,145,243.84x = 3,475,240,980,262.07
  5. Step 5: Solve for x
    x = 3,475,240,980,262.07/2,145,243.84
  6. Step 6: Final answer
    x = 1,619,974.81

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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.