Finding the Fourth Proportional to 3,992,153.16, 5,509,165.92 and 2,273,273.64
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Solution
The fourth proportional to 3,992,153.16, 5,509,165.92 and 2,273,273.64 is: 3,137,114.53
Step by Step Solution
- Step 1: Write the proportion equation
3,992,153.16 : 5,509,165.92 = 2,273,273.64 : x - Step 2: Convert to fraction form
3,992,153.16/5,509,165.92 = 2,273,273.64/x - Step 3: Cross multiply
3,992,153.16x = 5,509,165.92 × 2,273,273.64 - Step 4: Simplify right side
3,992,153.16x = 12,523,841,664,322.35 - Step 5: Solve for x
x = 12,523,841,664,322.35/3,992,153.16 - Step 6: Final answer
x = 3,137,114.53
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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.