Finding the Fourth Proportional to 3,992,076.66, 5,509,060.34 and 2,273,197.17
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Solution
The fourth proportional to 3,992,076.66, 5,509,060.34 and 2,273,197.17 is: 3,137,008.99
Step by Step Solution
- Step 1: Write the proportion equation
3,992,076.66 : 5,509,060.34 = 2,273,197.17 : x - Step 2: Convert to fraction form
3,992,076.66/5,509,060.34 = 2,273,197.17/x - Step 3: Cross multiply
3,992,076.66x = 5,509,060.34 × 2,273,197.17 - Step 4: Simplify right side
3,992,076.66x = 12,523,180,362,881.25 - Step 5: Solve for x
x = 12,523,180,362,881.25/3,992,076.66 - Step 6: Final answer
x = 3,137,008.99
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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.