Finding the Fourth Proportional to 2,114,245.36, 2,917,660.54 and 1,147,375.82
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Solution
The fourth proportional to 2,114,245.36, 2,917,660.54 and 1,147,375.82 is: 1,583,379.69
Step by Step Solution
- Step 1: Write the proportion equation
2,114,245.36 : 2,917,660.54 = 1,147,375.82 : x - Step 2: Convert to fraction form
2,114,245.36/2,917,660.54 = 1,147,375.82/x - Step 3: Cross multiply
2,114,245.36x = 2,917,660.54 × 1,147,375.82 - Step 4: Simplify right side
2,114,245.36x = 3,347,653,154,564.14 - Step 5: Solve for x
x = 3,347,653,154,564.14/2,114,245.36 - Step 6: Final answer
x = 1,583,379.69
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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.