Home / 3,894,997.76-5,374,997.70-2,176,131.20

Finding the Fourth Proportional to 3,894,997.76, 5,374,997.70 and 2,176,131.20

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Solution

The fourth proportional to 3,894,997.76, 5,374,997.70 and 2,176,131.20 is: 3,003,005.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894,997.76 : 5,374,997.70 = 2,176,131.20 : x
  2. Step 2: Convert to fraction form
    3,894,997.76/5,374,997.70 = 2,176,131.20/x
  3. Step 3: Cross multiply
    3,894,997.76x = 5,374,997.70 × 2,176,131.20
  4. Step 4: Simplify right side
    3,894,997.76x = 11,696,700,194,898.24
  5. Step 5: Solve for x
    x = 11,696,700,194,898.24/3,894,997.76
  6. Step 6: Final answer
    x = 3,003,005.63

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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.