Home / 3,894,999.76-5,375,000.46-2,176,133.20

Finding the Fourth Proportional to 3,894,999.76, 5,375,000.46 and 2,176,133.20

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Solution

The fourth proportional to 3,894,999.76, 5,375,000.46 and 2,176,133.20 is: 3,003,008.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894,999.76 : 5,375,000.46 = 2,176,133.20 : x
  2. Step 2: Convert to fraction form
    3,894,999.76/5,375,000.46 = 2,176,133.20/x
  3. Step 3: Cross multiply
    3,894,999.76x = 5,375,000.46 × 2,176,133.20
  4. Step 4: Simplify right side
    3,894,999.76x = 11,696,716,951,021.27
  5. Step 5: Solve for x
    x = 11,696,716,951,021.27/3,894,999.76
  6. Step 6: Final answer
    x = 3,003,008.39

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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.