Finding the Fourth Proportional to 4,891,058.18, 6,738,557.40 and 3,784,685.60
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Solution
The fourth proportional to 4,891,058.18, 6,738,557.40 and 3,784,685.60 is: 5,214,274.75
Step by Step Solution
- Step 1: Write the proportion equation
4,891,058.18 : 6,738,557.40 = 3,784,685.60 : x - Step 2: Convert to fraction form
4,891,058.18/6,738,557.40 = 3,784,685.60/x - Step 3: Cross multiply
4,891,058.18x = 6,738,557.40 × 3,784,685.60 - Step 4: Simplify right side
4,891,058.18x = 25,503,321,156,553.44 - Step 5: Solve for x
x = 25,503,321,156,553.44/4,891,058.18 - Step 6: Final answer
x = 5,214,274.75
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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.