Finding the Fourth Proportional to 1,635,654.42, 2,257,415.01 and 938,207.37
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Solution
The fourth proportional to 1,635,654.42, 2,257,415.01 and 938,207.37 is: 1,294,847.72
Step by Step Solution
- Step 1: Write the proportion equation
1,635,654.42 : 2,257,415.01 = 938,207.37 : x - Step 2: Convert to fraction form
1,635,654.42/2,257,415.01 = 938,207.37/x - Step 3: Cross multiply
1,635,654.42x = 2,257,415.01 × 938,207.37 - Step 4: Simplify right side
1,635,654.42x = 2,117,923,399,530.62 - Step 5: Solve for x
x = 2,117,923,399,530.62/1,635,654.42 - Step 6: Final answer
x = 1,294,847.72
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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.