Home / 3,939,009.44-5,435,827.76-2,128,173.44

Finding the Fourth Proportional to 3,939,009.44, 5,435,827.76 and 2,128,173.44

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Solution

The fourth proportional to 3,939,009.44, 5,435,827.76 and 2,128,173.44 is: 2,936,876.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,009.44 : 5,435,827.76 = 2,128,173.44 : x
  2. Step 2: Convert to fraction form
    3,939,009.44/5,435,827.76 = 2,128,173.44/x
  3. Step 3: Cross multiply
    3,939,009.44x = 5,435,827.76 × 2,128,173.44
  4. Step 4: Simplify right side
    3,939,009.44x = 11,568,384,263,246.69
  5. Step 5: Solve for x
    x = 11,568,384,263,246.69/3,939,009.44
  6. Step 6: Final answer
    x = 2,936,876.50

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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.