Home / 3,171,369.94-4,376,522.69-1,721,077.90

Finding the Fourth Proportional to 3,171,369.94, 4,376,522.69 and 1,721,077.90

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Solution

The fourth proportional to 3,171,369.94, 4,376,522.69 and 1,721,077.90 is: 2,375,104.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,369.94 : 4,376,522.69 = 1,721,077.90 : x
  2. Step 2: Convert to fraction form
    3,171,369.94/4,376,522.69 = 1,721,077.90/x
  3. Step 3: Cross multiply
    3,171,369.94x = 4,376,522.69 × 1,721,077.90
  4. Step 4: Simplify right side
    3,171,369.94x = 7,532,336,480,607.55
  5. Step 5: Solve for x
    x = 7,532,336,480,607.55/3,171,369.94
  6. Step 6: Final answer
    x = 2,375,104.96

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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.