Finding the Fourth Proportional to 1,891,136.07, 2,609,716.10 and 1,031,696.10
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Solution
The fourth proportional to 1,891,136.07, 2,609,716.10 and 1,031,696.10 is: 1,423,712.42
Step by Step Solution
- Step 1: Write the proportion equation
1,891,136.07 : 2,609,716.10 = 1,031,696.10 : x - Step 2: Convert to fraction form
1,891,136.07/2,609,716.10 = 1,031,696.10/x - Step 3: Cross multiply
1,891,136.07x = 2,609,716.10 × 1,031,696.10 - Step 4: Simplify right side
1,891,136.07x = 2,692,433,917,318.73 - Step 5: Solve for x
x = 2,692,433,917,318.73/1,891,136.07 - Step 6: Final answer
x = 1,423,712.42
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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.