Finding the Fourth Proportional to 5,702,959.26, 7,869,782.79 and 3,255,472.98
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Solution
The fourth proportional to 5,702,959.26, 7,869,782.79 and 3,255,472.98 is: 4,492,380.90
Step by Step Solution
- Step 1: Write the proportion equation
5,702,959.26 : 7,869,782.79 = 3,255,472.98 : x - Step 2: Convert to fraction form
5,702,959.26/7,869,782.79 = 3,255,472.98/x - Step 3: Cross multiply
5,702,959.26x = 7,869,782.79 × 3,255,472.98 - Step 4: Simplify right side
5,702,959.26x = 25,619,865,231,314.02 - Step 5: Solve for x
x = 25,619,865,231,314.02/5,702,959.26 - Step 6: Final answer
x = 4,492,380.90
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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.