Finding the Fourth Proportional to 5,689,822.58, 7,846,714.40 and 3,728,986.48
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Solution
The fourth proportional to 5,689,822.58, 7,846,714.40 and 3,728,986.48 is: 5,142,566.66
Step by Step Solution
- Step 1: Write the proportion equation
5,689,822.58 : 7,846,714.40 = 3,728,986.48 : x - Step 2: Convert to fraction form
5,689,822.58/7,846,714.40 = 3,728,986.48/x - Step 3: Cross multiply
5,689,822.58x = 7,846,714.40 × 3,728,986.48 - Step 4: Simplify right side
5,689,822.58x = 29,260,291,910,021.31 - Step 5: Solve for x
x = 29,260,291,910,021.31/5,689,822.58 - Step 6: Final answer
x = 5,142,566.66
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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.