Home / 3,421,700.30-4,722,998.67-1,972,364.46

Finding the Fourth Proportional to 3,421,700.30, 4,722,998.67 and 1,972,364.46

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Solution

The fourth proportional to 3,421,700.30, 4,722,998.67 and 1,972,364.46 is: 2,722,469.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421,700.30 : 4,722,998.67 = 1,972,364.46 : x
  2. Step 2: Convert to fraction form
    3,421,700.30/4,722,998.67 = 1,972,364.46/x
  3. Step 3: Cross multiply
    3,421,700.30x = 4,722,998.67 × 1,972,364.46
  4. Step 4: Simplify right side
    3,421,700.30x = 9,315,474,721,335.27
  5. Step 5: Solve for x
    x = 9,315,474,721,335.27/3,421,700.30
  6. Step 6: Final answer
    x = 2,722,469.51

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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.