Home / 6,838,624.21-9,436,376.97-3,898,820.54

Finding the Fourth Proportional to 6,838,624.21, 9,436,376.97 and 3,898,820.54

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Solution

The fourth proportional to 6,838,624.21, 9,436,376.97 and 3,898,820.54 is: 5,379,845.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838,624.21 : 9,436,376.97 = 3,898,820.54 : x
  2. Step 2: Convert to fraction form
    6,838,624.21/9,436,376.97 = 3,898,820.54/x
  3. Step 3: Cross multiply
    6,838,624.21x = 9,436,376.97 × 3,898,820.54
  4. Step 4: Simplify right side
    6,838,624.21x = 36,790,740,353,818.97
  5. Step 5: Solve for x
    x = 36,790,740,353,818.97/6,838,624.21
  6. Step 6: Final answer
    x = 5,379,845.31

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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.