Finding the Fourth Proportional to 2,372,616.08, 3,274,213.20 and 1,284,889.40
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Solution
The fourth proportional to 2,372,616.08, 3,274,213.20 and 1,284,889.40 is: 1,773,149.00
Step by Step Solution
- Step 1: Write the proportion equation
2,372,616.08 : 3,274,213.20 = 1,284,889.40 : x - Step 2: Convert to fraction form
2,372,616.08/3,274,213.20 = 1,284,889.40/x - Step 3: Cross multiply
2,372,616.08x = 3,274,213.20 × 1,284,889.40 - Step 4: Simplify right side
2,372,616.08x = 4,207,001,834,020.08 - Step 5: Solve for x
x = 4,207,001,834,020.08/2,372,616.08 - Step 6: Final answer
x = 1,773,149.00
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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.