Finding the Fourth Proportional to 2,136,504.96, 2,948,446.44 and 1,169,634.96
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Solution
The fourth proportional to 2,136,504.96, 2,948,446.44 and 1,169,634.96 is: 1,614,134.34
Step by Step Solution
- Step 1: Write the proportion equation
2,136,504.96 : 2,948,446.44 = 1,169,634.96 : x - Step 2: Convert to fraction form
2,136,504.96/2,948,446.44 = 1,169,634.96/x - Step 3: Cross multiply
2,136,504.96x = 2,948,446.44 × 1,169,634.96 - Step 4: Simplify right side
2,136,504.96x = 3,448,606,033,911.54 - Step 5: Solve for x
x = 3,448,606,033,911.54/2,136,504.96 - Step 6: Final answer
x = 1,614,134.34
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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.