Finding the Fourth Proportional to 3,952,168.57, 5,451,888.79 and 2,403,903.79
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Solution
The fourth proportional to 3,952,168.57, 5,451,888.79 and 2,403,903.79 is: 3,316,107.58
Step by Step Solution
- Step 1: Write the proportion equation
3,952,168.57 : 5,451,888.79 = 2,403,903.79 : x - Step 2: Convert to fraction form
3,952,168.57/5,451,888.79 = 2,403,903.79/x - Step 3: Cross multiply
3,952,168.57x = 5,451,888.79 × 2,403,903.79 - Step 4: Simplify right side
3,952,168.57x = 13,105,816,141,520.23 - Step 5: Solve for x
x = 13,105,816,141,520.23/3,952,168.57 - Step 6: Final answer
x = 3,316,107.58
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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.