Finding the Fourth Proportional to 5,260,773.15, 7,259,138.60 and 2,937,382.11
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Solution
The fourth proportional to 5,260,773.15, 7,259,138.60 and 2,937,382.11 is: 4,053,180.63
Step by Step Solution
- Step 1: Write the proportion equation
5,260,773.15 : 7,259,138.60 = 2,937,382.11 : x - Step 2: Convert to fraction form
5,260,773.15/7,259,138.60 = 2,937,382.11/x - Step 3: Cross multiply
5,260,773.15x = 7,259,138.60 × 2,937,382.11 - Step 4: Simplify right side
5,260,773.15x = 21,322,863,842,963.54 - Step 5: Solve for x
x = 21,322,863,842,963.54/5,260,773.15 - Step 6: Final answer
x = 4,053,180.63
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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.