Finding the Fourth Proportional to 3,988,236.06, 5,503,737.63 and 2,177,400.06
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Solution
The fourth proportional to 3,988,236.06, 5,503,737.63 and 2,177,400.06 is: 3,004,796.72
Step by Step Solution
- Step 1: Write the proportion equation
3,988,236.06 : 5,503,737.63 = 2,177,400.06 : x - Step 2: Convert to fraction form
3,988,236.06/5,503,737.63 = 2,177,400.06/x - Step 3: Cross multiply
3,988,236.06x = 5,503,737.63 × 2,177,400.06 - Step 4: Simplify right side
3,988,236.06x = 11,983,838,645,786.26 - Step 5: Solve for x
x = 11,983,838,645,786.26/3,988,236.06 - Step 6: Final answer
x = 3,004,796.72
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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.