Finding the Fourth Proportional to 5,677,110.90, 7,833,365.15 and 3,229,578.99
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Solution
The fourth proportional to 5,677,110.90, 7,833,365.15 and 3,229,578.99 is: 4,456,222.88
Step by Step Solution
- Step 1: Write the proportion equation
5,677,110.90 : 7,833,365.15 = 3,229,578.99 : x - Step 2: Convert to fraction form
5,677,110.90/7,833,365.15 = 3,229,578.99/x - Step 3: Cross multiply
5,677,110.90x = 7,833,365.15 × 3,229,578.99 - Step 4: Simplify right side
5,677,110.90x = 25,298,471,493,290.30 - Step 5: Solve for x
x = 25,298,471,493,290.30/5,677,110.90 - Step 6: Final answer
x = 4,456,222.88
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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.