Home / 2,811,293.63-4,216,940.39-681,377.77

Finding the Fourth Proportional to 2,811,293.63, 4,216,940.39 and 681,377.77

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Solution

The fourth proportional to 2,811,293.63, 4,216,940.39 and 681,377.77 is: 1,022,066.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,293.63 : 4,216,940.39 = 681,377.77 : x
  2. Step 2: Convert to fraction form
    2,811,293.63/4,216,940.39 = 681,377.77/x
  3. Step 3: Cross multiply
    2,811,293.63x = 4,216,940.39 × 681,377.77
  4. Step 4: Simplify right side
    2,811,293.63x = 2,873,329,446,135.75
  5. Step 5: Solve for x
    x = 2,873,329,446,135.75/2,811,293.63
  6. Step 6: Final answer
    x = 1,022,066.64

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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.