Finding the Fourth Proportional to 1,511,550.18, 2,085,843.56 and 832,486.68
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Solution
The fourth proportional to 1,511,550.18, 2,085,843.56 and 832,486.68 is: 1,148,778.92
Step by Step Solution
- Step 1: Write the proportion equation
1,511,550.18 : 2,085,843.56 = 832,486.68 : x - Step 2: Convert to fraction form
1,511,550.18/2,085,843.56 = 832,486.68/x - Step 3: Cross multiply
1,511,550.18x = 2,085,843.56 × 832,486.68 - Step 4: Simplify right side
1,511,550.18x = 1,736,436,976,101.35 - Step 5: Solve for x
x = 1,736,436,976,101.35/1,511,550.18 - Step 6: Final answer
x = 1,148,778.92
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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.