Finding the Fourth Proportional to 5,723,582.80, 7,896,821.82 and 3,430,906.96
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Solution
The fourth proportional to 5,723,582.80, 7,896,821.82 and 3,430,906.96 is: 4,733,619.11
Step by Step Solution
- Step 1: Write the proportion equation
5,723,582.80 : 7,896,821.82 = 3,430,906.96 : x - Step 2: Convert to fraction form
5,723,582.80/7,896,821.82 = 3,430,906.96/x - Step 3: Cross multiply
5,723,582.80x = 7,896,821.82 × 3,430,906.96 - Step 4: Simplify right side
5,723,582.80x = 27,093,260,944,117.87 - Step 5: Solve for x
x = 27,093,260,944,117.87/5,723,582.80 - Step 6: Final answer
x = 4,733,619.11
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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.