Finding the Fourth Proportional to 5,511,431.84, 8,267,334.26 and 1,917,229.84
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Solution
The fourth proportional to 5,511,431.84, 8,267,334.26 and 1,917,229.84 is: 2,875,909.63
Step by Step Solution
- Step 1: Write the proportion equation
5,511,431.84 : 8,267,334.26 = 1,917,229.84 : x - Step 2: Convert to fraction form
5,511,431.84/8,267,334.26 = 1,917,229.84/x - Step 3: Cross multiply
5,511,431.84x = 8,267,334.26 × 1,917,229.84 - Step 4: Simplify right side
5,511,431.84x = 15,850,379,910,271.83 - Step 5: Solve for x
x = 15,850,379,910,271.83/5,511,431.84 - Step 6: Final answer
x = 2,875,909.63
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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.