Home / 3,211,107.75-4,431,463.16-1,760,859.05

Finding the Fourth Proportional to 3,211,107.75, 4,431,463.16 and 1,760,859.05

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Solution

The fourth proportional to 3,211,107.75, 4,431,463.16 and 1,760,859.05 is: 2,430,059.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,107.75 : 4,431,463.16 = 1,760,859.05 : x
  2. Step 2: Convert to fraction form
    3,211,107.75/4,431,463.16 = 1,760,859.05/x
  3. Step 3: Cross multiply
    3,211,107.75x = 4,431,463.16 × 1,760,859.05
  4. Step 4: Simplify right side
    3,211,107.75x = 7,803,181,979,065.99
  5. Step 5: Solve for x
    x = 7,803,181,979,065.99/3,211,107.75
  6. Step 6: Final answer
    x = 2,430,059.22

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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.