Home / 3,447,879.86-4,758,074.19-1,998,416.05

Finding the Fourth Proportional to 3,447,879.86, 4,758,074.19 and 1,998,416.05

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Solution

The fourth proportional to 3,447,879.86, 4,758,074.19 and 1,998,416.05 is: 2,757,814.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447,879.86 : 4,758,074.19 = 1,998,416.05 : x
  2. Step 2: Convert to fraction form
    3,447,879.86/4,758,074.19 = 1,998,416.05/x
  3. Step 3: Cross multiply
    3,447,879.86x = 4,758,074.19 × 1,998,416.05
  4. Step 4: Simplify right side
    3,447,879.86x = 9,508,611,816,491.57
  5. Step 5: Solve for x
    x = 9,508,611,816,491.57/3,447,879.86
  6. Step 6: Final answer
    x = 2,757,814.13

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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.