Finding the Fourth Proportional to 3,665,623.37, 5,498,934.41 and 2,129,339.70
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Solution
The fourth proportional to 3,665,623.37, 5,498,934.41 and 2,129,339.70 is: 3,194,299.63
Step by Step Solution
- Step 1: Write the proportion equation
3,665,623.37 : 5,498,934.41 = 2,129,339.70 : x - Step 2: Convert to fraction form
3,665,623.37/5,498,934.41 = 2,129,339.70/x - Step 3: Cross multiply
3,665,623.37x = 5,498,934.41 × 2,129,339.70 - Step 4: Simplify right side
3,665,623.37x = 11,709,099,367,698.18 - Step 5: Solve for x
x = 11,709,099,367,698.18/3,665,623.37 - Step 6: Final answer
x = 3,194,299.63
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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.