Finding the Fourth Proportional to 3,220,648.37, 4,444,503.97 and 1,844,013.20
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Solution
The fourth proportional to 3,220,648.37, 4,444,503.97 and 1,844,013.20 is: 2,544,743.49
Step by Step Solution
- Step 1: Write the proportion equation
3,220,648.37 : 4,444,503.97 = 1,844,013.20 : x - Step 2: Convert to fraction form
3,220,648.37/4,444,503.97 = 1,844,013.20/x - Step 3: Cross multiply
3,220,648.37x = 4,444,503.97 × 1,844,013.20 - Step 4: Simplify right side
3,220,648.37x = 8,195,723,978,912.34 - Step 5: Solve for x
x = 8,195,723,978,912.34/3,220,648.37 - Step 6: Final answer
x = 2,544,743.49
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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.