Finding the Fourth Proportional to 5,581,757.39, 8,367,321.64 and 1,792,583.06
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Solution
The fourth proportional to 5,581,757.39, 8,367,321.64 and 1,792,583.06 is: 2,687,167.85
Step by Step Solution
- Step 1: Write the proportion equation
5,581,757.39 : 8,367,321.64 = 1,792,583.06 : x - Step 2: Convert to fraction form
5,581,757.39/8,367,321.64 = 1,792,583.06/x - Step 3: Cross multiply
5,581,757.39x = 8,367,321.64 × 1,792,583.06 - Step 4: Simplify right side
5,581,757.39x = 14,999,119,029,435.42 - Step 5: Solve for x
x = 14,999,119,029,435.42/5,581,757.39 - Step 6: Final answer
x = 2,687,167.85
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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.