Finding the Fourth Proportional to 5,514,761.34, 7,610,261.49 and 3,067,319.70
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Solution
The fourth proportional to 5,514,761.34, 7,610,261.49 and 3,067,319.70 is: 4,232,840.47
Step by Step Solution
- Step 1: Write the proportion equation
5,514,761.34 : 7,610,261.49 = 3,067,319.70 : x - Step 2: Convert to fraction form
5,514,761.34/7,610,261.49 = 3,067,319.70/x - Step 3: Cross multiply
5,514,761.34x = 7,610,261.49 × 3,067,319.70 - Step 4: Simplify right side
5,514,761.34x = 23,343,104,990,428.36 - Step 5: Solve for x
x = 23,343,104,990,428.36/5,514,761.34 - Step 6: Final answer
x = 4,232,840.47
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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.