Home / 4,755,083.84-7,128,188.38-1,876,474.55

Finding the Fourth Proportional to 4,755,083.84, 7,128,188.38 and 1,876,474.55

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Solution

The fourth proportional to 4,755,083.84, 7,128,188.38 and 1,876,474.55 is: 2,812,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,755,083.84 : 7,128,188.38 = 1,876,474.55 : x
  2. Step 2: Convert to fraction form
    4,755,083.84/7,128,188.38 = 1,876,474.55/x
  3. Step 3: Cross multiply
    4,755,083.84x = 7,128,188.38 × 1,876,474.55
  4. Step 4: Simplify right side
    4,755,083.84x = 13,375,864,092,286.62
  5. Step 5: Solve for x
    x = 13,375,864,092,286.62/4,755,083.84
  6. Step 6: Final answer
    x = 2,812,960.73

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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.