Home / 3,448,776.78-4,758,880.68-1,998,445.86

Finding the Fourth Proportional to 3,448,776.78, 4,758,880.68 and 1,998,445.86

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Solution

The fourth proportional to 3,448,776.78, 4,758,880.68 and 1,998,445.86 is: 2,757,605.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448,776.78 : 4,758,880.68 = 1,998,445.86 : x
  2. Step 2: Convert to fraction form
    3,448,776.78/4,758,880.68 = 1,998,445.86/x
  3. Step 3: Cross multiply
    3,448,776.78x = 4,758,880.68 × 1,998,445.86
  4. Step 4: Simplify right side
    3,448,776.78x = 9,510,365,393,179.99
  5. Step 5: Solve for x
    x = 9,510,365,393,179.99/3,448,776.78
  6. Step 6: Final answer
    x = 2,757,605.38

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1.5x scale

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.