Finding the Fourth Proportional to 3,992,552.09, 5,509,736.95 and 2,523,113.66
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Solution
The fourth proportional to 3,992,552.09, 5,509,736.95 and 2,523,113.66 is: 3,481,906.37
Step by Step Solution
- Step 1: Write the proportion equation
3,992,552.09 : 5,509,736.95 = 2,523,113.66 : x - Step 2: Convert to fraction form
3,992,552.09/5,509,736.95 = 2,523,113.66/x - Step 3: Cross multiply
3,992,552.09x = 5,509,736.95 × 2,523,113.66 - Step 4: Simplify right side
3,992,552.09x = 13,901,692,565,349.26 - Step 5: Solve for x
x = 13,901,692,565,349.26/3,992,552.09 - Step 6: Final answer
x = 3,481,906.37
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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.