Finding the Fourth Proportional to 3,992,068.48, 5,509,049.08 and 2,273,188.98
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Solution
The fourth proportional to 3,992,068.48, 5,509,049.08 and 2,273,188.98 is: 3,136,997.70
Step by Step Solution
- Step 1: Write the proportion equation
3,992,068.48 : 5,509,049.08 = 2,273,188.98 : x - Step 2: Convert to fraction form
3,992,068.48/5,509,049.08 = 2,273,188.98/x - Step 3: Cross multiply
3,992,068.48x = 5,509,049.08 × 2,273,188.98 - Step 4: Simplify right side
3,992,068.48x = 12,523,109,658,935.14 - Step 5: Solve for x
x = 12,523,109,658,935.14/3,992,068.48 - Step 6: Final answer
x = 3,136,997.70
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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.