Finding the Fourth Proportional to 3,809,223.93, 5,256,880.58 and 2,090,405.96
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Solution
The fourth proportional to 3,809,223.93, 5,256,880.58 and 2,090,405.96 is: 2,884,843.39
Step by Step Solution
- Step 1: Write the proportion equation
3,809,223.93 : 5,256,880.58 = 2,090,405.96 : x - Step 2: Convert to fraction form
3,809,223.93/5,256,880.58 = 2,090,405.96/x - Step 3: Cross multiply
3,809,223.93x = 5,256,880.58 × 2,090,405.96 - Step 4: Simplify right side
3,809,223.93x = 10,989,014,474,381.87 - Step 5: Solve for x
x = 10,989,014,474,381.87/3,809,223.93 - Step 6: Final answer
x = 2,884,843.39
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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.