Finding the Fourth Proportional to 5,534,902.66, 7,638,215.39 and 3,054,233.68
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Solution
The fourth proportional to 5,534,902.66, 7,638,215.39 and 3,054,233.68 is: 4,214,869.91
Step by Step Solution
- Step 1: Write the proportion equation
5,534,902.66 : 7,638,215.39 = 3,054,233.68 : x - Step 2: Convert to fraction form
5,534,902.66/7,638,215.39 = 3,054,233.68/x - Step 3: Cross multiply
5,534,902.66x = 7,638,215.39 × 3,054,233.68 - Step 4: Simplify right side
5,534,902.66x = 23,328,894,699,232.34 - Step 5: Solve for x
x = 23,328,894,699,232.34/5,534,902.66 - Step 6: Final answer
x = 4,214,869.91
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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.