Finding the Fourth Proportional to 5,173,486.96, 7,138,286.04 and 3,136,797.04
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Solution
The fourth proportional to 5,173,486.96, 7,138,286.04 and 3,136,797.04 is: 4,328,097.22
Step by Step Solution
- Step 1: Write the proportion equation
5,173,486.96 : 7,138,286.04 = 3,136,797.04 : x - Step 2: Convert to fraction form
5,173,486.96/7,138,286.04 = 3,136,797.04/x - Step 3: Cross multiply
5,173,486.96x = 7,138,286.04 × 3,136,797.04 - Step 4: Simplify right side
5,173,486.96x = 22,391,354,520,945.32 - Step 5: Solve for x
x = 22,391,354,520,945.32/5,173,486.96 - Step 6: Final answer
x = 4,328,097.22
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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.