Home / 2,159,269.29-3,235,912.61-810,072.54

Finding the Fourth Proportional to 2,159,269.29, 3,235,912.61 and 810,072.54

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Solution

The fourth proportional to 2,159,269.29, 3,235,912.61 and 810,072.54 is: 1,213,986.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,269.29 : 3,235,912.61 = 810,072.54 : x
  2. Step 2: Convert to fraction form
    2,159,269.29/3,235,912.61 = 810,072.54/x
  3. Step 3: Cross multiply
    2,159,269.29x = 3,235,912.61 × 810,072.54
  4. Step 4: Simplify right side
    2,159,269.29x = 2,621,323,943,150.37
  5. Step 5: Solve for x
    x = 2,621,323,943,150.37/2,159,269.29
  6. Step 6: Final answer
    x = 1,213,986.58

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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.