Home / 6,122,657.95-8,446,440.94-3,947,899.69

Finding the Fourth Proportional to 6,122,657.95, 8,446,440.94 and 3,947,899.69

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Solution

The fourth proportional to 6,122,657.95, 8,446,440.94 and 3,947,899.69 is: 5,446,278.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122,657.95 : 8,446,440.94 = 3,947,899.69 : x
  2. Step 2: Convert to fraction form
    6,122,657.95/8,446,440.94 = 3,947,899.69/x
  3. Step 3: Cross multiply
    6,122,657.95x = 8,446,440.94 × 3,947,899.69
  4. Step 4: Simplify right side
    6,122,657.95x = 33,345,701,568,629.30
  5. Step 5: Solve for x
    x = 33,345,701,568,629.30/6,122,657.95
  6. Step 6: Final answer
    x = 5,446,278.70

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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.