Home / 2,811,240.39-4,216,860.50-681,324.51

Finding the Fourth Proportional to 2,811,240.39, 4,216,860.50 and 681,324.51

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Solution

The fourth proportional to 2,811,240.39, 4,216,860.50 and 681,324.51 is: 1,021,986.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,240.39 : 4,216,860.50 = 681,324.51 : x
  2. Step 2: Convert to fraction form
    2,811,240.39/4,216,860.50 = 681,324.51/x
  3. Step 3: Cross multiply
    2,811,240.39x = 4,216,860.50 × 681,324.51
  4. Step 4: Simplify right side
    2,811,240.39x = 2,873,050,410,494.23
  5. Step 5: Solve for x
    x = 2,873,050,410,494.23/2,811,240.39
  6. Step 6: Final answer
    x = 1,021,986.74

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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.