Home / 6,822,813.20-10,234,199.64-2,778,348.56

Finding the Fourth Proportional to 6,822,813.20, 10,234,199.64 and 2,778,348.56

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Solution

The fourth proportional to 6,822,813.20, 10,234,199.64 and 2,778,348.56 is: 4,167,514.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822,813.20 : 10,234,199.64 = 2,778,348.56 : x
  2. Step 2: Convert to fraction form
    6,822,813.20/10,234,199.64 = 2,778,348.56/x
  3. Step 3: Cross multiply
    6,822,813.20x = 10,234,199.64 × 2,778,348.56
  4. Step 4: Simplify right side
    6,822,813.20x = 28,434,173,832,546.52
  5. Step 5: Solve for x
    x = 28,434,173,832,546.52/6,822,813.20
  6. Step 6: Final answer
    x = 4,167,514.63

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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.