Home / 3,465,716.21-4,782,367.39-1,916,944.55

Finding the Fourth Proportional to 3,465,716.21, 4,782,367.39 and 1,916,944.55

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Solution

The fourth proportional to 3,465,716.21, 4,782,367.39 and 1,916,944.55 is: 2,645,205.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465,716.21 : 4,782,367.39 = 1,916,944.55 : x
  2. Step 2: Convert to fraction form
    3,465,716.21/4,782,367.39 = 1,916,944.55/x
  3. Step 3: Cross multiply
    3,465,716.21x = 4,782,367.39 × 1,916,944.55
  4. Step 4: Simplify right side
    3,465,716.21x = 9,167,533,070,861.66
  5. Step 5: Solve for x
    x = 9,167,533,070,861.66/3,465,716.21
  6. Step 6: Final answer
    x = 2,645,205.93

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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.