Finding the Fourth Proportional to 2,283,349.76, 3,151,235.92 and 1,264,755.28
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Solution
The fourth proportional to 2,283,349.76, 3,151,235.92 and 1,264,755.28 is: 1,745,480.41
Step by Step Solution
- Step 1: Write the proportion equation
2,283,349.76 : 3,151,235.92 = 1,264,755.28 : x - Step 2: Convert to fraction form
2,283,349.76/3,151,235.92 = 1,264,755.28/x - Step 3: Cross multiply
2,283,349.76x = 3,151,235.92 × 1,264,755.28 - Step 4: Simplify right side
2,283,349.76x = 3,985,542,268,345.66 - Step 5: Solve for x
x = 3,985,542,268,345.66/2,283,349.76 - Step 6: Final answer
x = 1,745,480.41
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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.