Home / 3,171,774-4,376,936.93-1,721,440.34

Finding the Fourth Proportional to 3,171,774, 4,376,936.93 and 1,721,440.34

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Solution

The fourth proportional to 3,171,774, 4,376,936.93 and 1,721,440.34 is: 2,375,527.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,774 : 4,376,936.93 = 1,721,440.34 : x
  2. Step 2: Convert to fraction form
    3,171,774/4,376,936.93 = 1,721,440.34/x
  3. Step 3: Cross multiply
    3,171,774x = 4,376,936.93 × 1,721,440.34
  4. Step 4: Simplify right side
    3,171,774x = 7,534,635,812,183.70
  5. Step 5: Solve for x
    x = 7,534,635,812,183.70/3,171,774
  6. Step 6: Final answer
    x = 2,375,527.33

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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.