Home / 2,160,131.78-2,980,924.08-1,193,241.26

Finding the Fourth Proportional to 2,160,131.78, 2,980,924.08 and 1,193,241.26

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Solution

The fourth proportional to 2,160,131.78, 2,980,924.08 and 1,193,241.26 is: 1,646,641.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,131.78 : 2,980,924.08 = 1,193,241.26 : x
  2. Step 2: Convert to fraction form
    2,160,131.78/2,980,924.08 = 1,193,241.26/x
  3. Step 3: Cross multiply
    2,160,131.78x = 2,980,924.08 × 1,193,241.26
  4. Step 4: Simplify right side
    2,160,131.78x = 3,556,961,605,183.54
  5. Step 5: Solve for x
    x = 3,556,961,605,183.54/2,160,131.78
  6. Step 6: Final answer
    x = 1,646,641.02

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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.