Home / 2,811,237.39-4,216,856.00-681,321.51

Finding the Fourth Proportional to 2,811,237.39, 4,216,856.00 and 681,321.51

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Solution

The fourth proportional to 2,811,237.39, 4,216,856.00 and 681,321.51 is: 1,021,982.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,237.39 : 4,216,856.00 = 681,321.51 : x
  2. Step 2: Convert to fraction form
    2,811,237.39/4,216,856.00 = 681,321.51/x
  3. Step 3: Cross multiply
    2,811,237.39x = 4,216,856.00 × 681,321.51
  4. Step 4: Simplify right side
    2,811,237.39x = 2,873,034,693,965.95
  5. Step 5: Solve for x
    x = 2,873,034,693,965.95/2,811,237.39
  6. Step 6: Final answer
    x = 1,021,982.24

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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.