Finding the Fourth Proportional to 5,714,022.16, 7,885,446.36 and 3,135,942.80
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Solution
The fourth proportional to 5,714,022.16, 7,885,446.36 and 3,135,942.80 is: 4,327,653.63
Step by Step Solution
- Step 1: Write the proportion equation
5,714,022.16 : 7,885,446.36 = 3,135,942.80 : x - Step 2: Convert to fraction form
5,714,022.16/7,885,446.36 = 3,135,942.80/x - Step 3: Cross multiply
5,714,022.16x = 7,885,446.36 × 3,135,942.80 - Step 4: Simplify right side
5,714,022.16x = 24,728,308,737,428.21 - Step 5: Solve for x
x = 24,728,308,737,428.21/5,714,022.16 - Step 6: Final answer
x = 4,327,653.63
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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.