Home / 1,967,555.81-2,716,408.00-1,289,673.29

Finding the Fourth Proportional to 1,967,555.81, 2,716,408.00 and 1,289,673.29

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Solution

The fourth proportional to 1,967,555.81, 2,716,408.00 and 1,289,673.29 is: 1,780,523.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967,555.81 : 2,716,408.00 = 1,289,673.29 : x
  2. Step 2: Convert to fraction form
    1,967,555.81/2,716,408.00 = 1,289,673.29/x
  3. Step 3: Cross multiply
    1,967,555.81x = 2,716,408.00 × 1,289,673.29
  4. Step 4: Simplify right side
    1,967,555.81x = 3,503,278,850,745.43
  5. Step 5: Solve for x
    x = 3,503,278,850,745.43/1,967,555.81
  6. Step 6: Final answer
    x = 1,780,523.24

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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.