Finding the Fourth Proportional to 3,086,415.48, 4,629,623.78 and 1,288,318.08
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Solution
The fourth proportional to 3,086,415.48, 4,629,623.78 and 1,288,318.08 is: 1,932,477.35
Step by Step Solution
- Step 1: Write the proportion equation
3,086,415.48 : 4,629,623.78 = 1,288,318.08 : x - Step 2: Convert to fraction form
3,086,415.48/4,629,623.78 = 1,288,318.08/x - Step 3: Cross multiply
3,086,415.48x = 4,629,623.78 × 1,288,318.08 - Step 4: Simplify right side
3,086,415.48x = 5,964,428,019,371.94 - Step 5: Solve for x
x = 5,964,428,019,371.94/3,086,415.48 - Step 6: Final answer
x = 1,932,477.35
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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.