Home / 4,945,999.20-7,418,998.80-4,148,837.70

Finding the Fourth Proportional to 4,945,999.20, 7,418,998.80 and 4,148,837.70

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Solution

The fourth proportional to 4,945,999.20, 7,418,998.80 and 4,148,837.70 is: 6,223,256.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945,999.20 : 7,418,998.80 = 4,148,837.70 : x
  2. Step 2: Convert to fraction form
    4,945,999.20/7,418,998.80 = 4,148,837.70/x
  3. Step 3: Cross multiply
    4,945,999.20x = 7,418,998.80 × 4,148,837.70
  4. Step 4: Simplify right side
    4,945,999.20x = 30,780,221,917,694.76
  5. Step 5: Solve for x
    x = 30,780,221,917,694.76/4,945,999.20
  6. Step 6: Final answer
    x = 6,223,256.55

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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.