Home / 6,822,811.20-10,234,196.64-2,778,346.56

Finding the Fourth Proportional to 6,822,811.20, 10,234,196.64 and 2,778,346.56

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Solution

The fourth proportional to 6,822,811.20, 10,234,196.64 and 2,778,346.56 is: 4,167,511.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822,811.20 : 10,234,196.64 = 2,778,346.56 : x
  2. Step 2: Convert to fraction form
    6,822,811.20/10,234,196.64 = 2,778,346.56/x
  3. Step 3: Cross multiply
    6,822,811.20x = 10,234,196.64 × 2,778,346.56
  4. Step 4: Simplify right side
    6,822,811.20x = 28,434,145,029,107.56
  5. Step 5: Solve for x
    x = 28,434,145,029,107.56/6,822,811.20
  6. Step 6: Final answer
    x = 4,167,511.63

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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.