Home / 3,208,079.36-4,811,744.46-1,288,912.88

Finding the Fourth Proportional to 3,208,079.36, 4,811,744.46 and 1,288,912.88

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Solution

The fourth proportional to 3,208,079.36, 4,811,744.46 and 1,288,912.88 is: 1,933,218.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,079.36 : 4,811,744.46 = 1,288,912.88 : x
  2. Step 2: Convert to fraction form
    3,208,079.36/4,811,744.46 = 1,288,912.88/x
  3. Step 3: Cross multiply
    3,208,079.36x = 4,811,744.46 × 1,288,912.88
  4. Step 4: Simplify right side
    3,208,079.36x = 6,201,919,409,762.65
  5. Step 5: Solve for x
    x = 6,201,919,409,762.65/3,208,079.36
  6. Step 6: Final answer
    x = 1,933,218.82

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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.