Finding the Fourth Proportional to 5,534,900.66, 7,638,212.63 and 3,054,231.68
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Solution
The fourth proportional to 5,534,900.66, 7,638,212.63 and 3,054,231.68 is: 4,214,867.15
Step by Step Solution
- Step 1: Write the proportion equation
5,534,900.66 : 7,638,212.63 = 3,054,231.68 : x - Step 2: Convert to fraction form
5,534,900.66/7,638,212.63 = 3,054,231.68/x - Step 3: Cross multiply
5,534,900.66x = 7,638,212.63 × 3,054,231.68 - Step 4: Simplify right side
5,534,900.66x = 23,328,870,962,566.63 - Step 5: Solve for x
x = 23,328,870,962,566.63/5,534,900.66 - Step 6: Final answer
x = 4,214,867.15
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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.