Finding the Fourth Proportional to 5,534,519.90, 7,637,827.40 and 3,211,236.99
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Solution
The fourth proportional to 5,534,519.90, 7,637,827.40 and 3,211,236.99 is: 4,431,617.25
Step by Step Solution
- Step 1: Write the proportion equation
5,534,519.90 : 7,637,827.40 = 3,211,236.99 : x - Step 2: Convert to fraction form
5,534,519.90/7,637,827.40 = 3,211,236.99/x - Step 3: Cross multiply
5,534,519.90x = 7,637,827.40 × 3,211,236.99 - Step 4: Simplify right side
5,534,519.90x = 24,526,873,870,115.53 - Step 5: Solve for x
x = 24,526,873,870,115.53/5,534,519.90 - Step 6: Final answer
x = 4,431,617.25
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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.