Finding the Fourth Proportional to 4,755,880.88, 7,129,458.12 and 2,058,507.44
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Solution
The fourth proportional to 4,755,880.88, 7,129,458.12 and 2,058,507.44 is: 3,085,872.62
Step by Step Solution
- Step 1: Write the proportion equation
4,755,880.88 : 7,129,458.12 = 2,058,507.44 : x - Step 2: Convert to fraction form
4,755,880.88/7,129,458.12 = 2,058,507.44/x - Step 3: Cross multiply
4,755,880.88x = 7,129,458.12 × 2,058,507.44 - Step 4: Simplify right side
4,755,880.88x = 14,676,042,583,188.41 - Step 5: Solve for x
x = 14,676,042,583,188.41/4,755,880.88 - Step 6: Final answer
x = 3,085,872.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.