Home / 3,161,521.28-4,743,169.92-1,269,591.36

Finding the Fourth Proportional to 3,161,521.28, 4,743,169.92 and 1,269,591.36

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Solution

The fourth proportional to 3,161,521.28, 4,743,169.92 and 1,269,591.36 is: 1,904,743.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,521.28 : 4,743,169.92 = 1,269,591.36 : x
  2. Step 2: Convert to fraction form
    3,161,521.28/4,743,169.92 = 1,269,591.36/x
  3. Step 3: Cross multiply
    3,161,521.28x = 4,743,169.92 × 1,269,591.36
  4. Step 4: Simplify right side
    3,161,521.28x = 6,021,887,549,443.89
  5. Step 5: Solve for x
    x = 6,021,887,549,443.89/3,161,521.28
  6. Step 6: Final answer
    x = 1,904,743.64

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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.