Home / 2,208,658.80-3,311,238.60-1,211,386.80

Finding the Fourth Proportional to 2,208,658.80, 3,311,238.60 and 1,211,386.80

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Solution

The fourth proportional to 2,208,658.80, 3,311,238.60 and 1,211,386.80 is: 1,816,120.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,658.80 : 3,311,238.60 = 1,211,386.80 : x
  2. Step 2: Convert to fraction form
    2,208,658.80/3,311,238.60 = 1,211,386.80/x
  3. Step 3: Cross multiply
    2,208,658.80x = 3,311,238.60 × 1,211,386.80
  4. Step 4: Simplify right side
    2,208,658.80x = 4,011,190,731,690.48
  5. Step 5: Solve for x
    x = 4,011,190,731,690.48/2,208,658.80
  6. Step 6: Final answer
    x = 1,816,120.59

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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.