Home / 2,147,269.51-3,220,820.13-727,325.54

Finding the Fourth Proportional to 2,147,269.51, 3,220,820.13 and 727,325.54

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Solution

The fourth proportional to 2,147,269.51, 3,220,820.13 and 727,325.54 is: 1,090,959.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,269.51 : 3,220,820.13 = 727,325.54 : x
  2. Step 2: Convert to fraction form
    2,147,269.51/3,220,820.13 = 727,325.54/x
  3. Step 3: Cross multiply
    2,147,269.51x = 3,220,820.13 × 727,325.54
  4. Step 4: Simplify right side
    2,147,269.51x = 2,342,584,740,295.12
  5. Step 5: Solve for x
    x = 2,342,584,740,295.12/2,147,269.51
  6. Step 6: Final answer
    x = 1,090,959.81

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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.