Finding the Fourth Proportional to 5,517,142.74, 8,279,519.49 and 1,922,939.46
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Solution
The fourth proportional to 5,517,142.74, 8,279,519.49 and 1,922,939.46 is: 2,885,735.51
Step by Step Solution
- Step 1: Write the proportion equation
5,517,142.74 : 8,279,519.49 = 1,922,939.46 : x - Step 2: Convert to fraction form
5,517,142.74/8,279,519.49 = 1,922,939.46/x - Step 3: Cross multiply
5,517,142.74x = 8,279,519.49 × 1,922,939.46 - Step 4: Simplify right side
5,517,142.74x = 15,921,014,737,160.08 - Step 5: Solve for x
x = 15,921,014,737,160.08/5,517,142.74 - Step 6: Final answer
x = 2,885,735.51
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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.