Finding the Fourth Proportional to 5,347,007.92, 7,378,872.62 and 2,899,618.23
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Solution
The fourth proportional to 5,347,007.92, 7,378,872.62 and 2,899,618.23 is: 4,001,474.08
Step by Step Solution
- Step 1: Write the proportion equation
5,347,007.92 : 7,378,872.62 = 2,899,618.23 : x - Step 2: Convert to fraction form
5,347,007.92/7,378,872.62 = 2,899,618.23/x - Step 3: Cross multiply
5,347,007.92x = 7,378,872.62 × 2,899,618.23 - Step 4: Simplify right side
5,347,007.92x = 21,395,913,566,374.64 - Step 5: Solve for x
x = 21,395,913,566,374.64/5,347,007.92 - Step 6: Final answer
x = 4,001,474.08
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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.