Finding the Fourth Proportional to 4,098,861.15, 5,656,927.11 and 2,379,981.67
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Solution
The fourth proportional to 4,098,861.15, 5,656,927.11 and 2,379,981.67 is: 3,284,664.29
Step by Step Solution
- Step 1: Write the proportion equation
4,098,861.15 : 5,656,927.11 = 2,379,981.67 : x - Step 2: Convert to fraction form
4,098,861.15/5,656,927.11 = 2,379,981.67/x - Step 3: Cross multiply
4,098,861.15x = 5,656,927.11 × 2,379,981.67 - Step 4: Simplify right side
4,098,861.15x = 13,463,382,830,326.07 - Step 5: Solve for x
x = 13,463,382,830,326.07/4,098,861.15 - Step 6: Final answer
x = 3,284,664.29
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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.