Finding the Fourth Proportional to 5,920,137.98, 8,169,790.32 and 3,203,883.98
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Solution
The fourth proportional to 5,920,137.98, 8,169,790.32 and 3,203,883.98 is: 4,421,359.84
Step by Step Solution
- Step 1: Write the proportion equation
5,920,137.98 : 8,169,790.32 = 3,203,883.98 : x - Step 2: Convert to fraction form
5,920,137.98/8,169,790.32 = 3,203,883.98/x - Step 3: Cross multiply
5,920,137.98x = 8,169,790.32 × 3,203,883.98 - Step 4: Simplify right side
5,920,137.98x = 26,175,060,310,187.66 - Step 5: Solve for x
x = 26,175,060,310,187.66/5,920,137.98 - Step 6: Final answer
x = 4,421,359.84
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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.