Finding the Fourth Proportional to 3,511,764.85, 4,846,852.17 and 2,042,128.19
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Solution
The fourth proportional to 3,511,764.85, 4,846,852.17 and 2,042,128.19 is: 2,818,495.51
Step by Step Solution
- Step 1: Write the proportion equation
3,511,764.85 : 4,846,852.17 = 2,042,128.19 : x - Step 2: Convert to fraction form
3,511,764.85/4,846,852.17 = 2,042,128.19/x - Step 3: Cross multiply
3,511,764.85x = 4,846,852.17 × 2,042,128.19 - Step 4: Simplify right side
3,511,764.85x = 9,897,893,450,719.09 - Step 5: Solve for x
x = 9,897,893,450,719.09/3,511,764.85 - Step 6: Final answer
x = 2,818,495.51
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1.5x scale
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.