Home / 5,161,872.92-7,121,368.60-2,955,556.69

Finding the Fourth Proportional to 5,161,872.92, 7,121,368.60 and 2,955,556.69

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Solution

The fourth proportional to 5,161,872.92, 7,121,368.60 and 2,955,556.69 is: 4,077,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161,872.92 : 7,121,368.60 = 2,955,556.69 : x
  2. Step 2: Convert to fraction form
    5,161,872.92/7,121,368.60 = 2,955,556.69/x
  3. Step 3: Cross multiply
    5,161,872.92x = 7,121,368.60 × 2,955,556.69
  4. Step 4: Simplify right side
    5,161,872.92x = 21,047,608,582,493.62
  5. Step 5: Solve for x
    x = 21,047,608,582,493.62/5,161,872.92
  6. Step 6: Final answer
    x = 4,077,513.90

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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.