Finding the Fourth Proportional to 1,881,996.41, 2,821,407.68 and 816,235.77
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Solution
The fourth proportional to 1,881,996.41, 2,821,407.68 and 816,235.77 is: 1,223,665.39
Step by Step Solution
- Step 1: Write the proportion equation
1,881,996.41 : 2,821,407.68 = 816,235.77 : x - Step 2: Convert to fraction form
1,881,996.41/2,821,407.68 = 816,235.77/x - Step 3: Cross multiply
1,881,996.41x = 2,821,407.68 × 816,235.77 - Step 4: Simplify right side
1,881,996.41x = 2,302,933,878,198.26 - Step 5: Solve for x
x = 2,302,933,878,198.26/1,881,996.41 - Step 6: Final answer
x = 1,223,665.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.