Home / 3,147,320.75-4,343,295.91-1,770,665.42

Finding the Fourth Proportional to 3,147,320.75, 4,343,295.91 and 1,770,665.42

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Solution

The fourth proportional to 3,147,320.75, 4,343,295.91 and 1,770,665.42 is: 2,443,514.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,320.75 : 4,343,295.91 = 1,770,665.42 : x
  2. Step 2: Convert to fraction form
    3,147,320.75/4,343,295.91 = 1,770,665.42/x
  3. Step 3: Cross multiply
    3,147,320.75x = 4,343,295.91 × 1,770,665.42
  4. Step 4: Simplify right side
    3,147,320.75x = 7,690,523,867,811.11
  5. Step 5: Solve for x
    x = 7,690,523,867,811.11/3,147,320.75
  6. Step 6: Final answer
    x = 2,443,514.49

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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.