Finding the Fourth Proportional to 5,003,230.70, 6,905,198.95 and 3,167,859.31
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Solution
The fourth proportional to 5,003,230.70, 6,905,198.95 and 3,167,859.31 is: 4,372,114.75
Step by Step Solution
- Step 1: Write the proportion equation
5,003,230.70 : 6,905,198.95 = 3,167,859.31 : x - Step 2: Convert to fraction form
5,003,230.70/6,905,198.95 = 3,167,859.31/x - Step 3: Cross multiply
5,003,230.70x = 6,905,198.95 × 3,167,859.31 - Step 4: Simplify right side
5,003,230.70x = 21,874,698,755,977.08 - Step 5: Solve for x
x = 21,874,698,755,977.08/5,003,230.70 - Step 6: Final answer
x = 4,372,114.75
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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.