Finding the Fourth Proportional to 5,485,860.23, 8,229,331.62 and 1,891,153.94
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Solution
The fourth proportional to 5,485,860.23, 8,229,331.62 and 1,891,153.94 is: 2,836,917.50
Step by Step Solution
- Step 1: Write the proportion equation
5,485,860.23 : 8,229,331.62 = 1,891,153.94 : x - Step 2: Convert to fraction form
5,485,860.23/8,229,331.62 = 1,891,153.94/x - Step 3: Cross multiply
5,485,860.23x = 8,229,331.62 × 1,891,153.94 - Step 4: Simplify right side
5,485,860.23x = 15,562,932,875,582.93 - Step 5: Solve for x
x = 15,562,932,875,582.93/5,485,860.23 - Step 6: Final answer
x = 2,836,917.50
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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.