Finding the Fourth Proportional to 2,431,294.61, 3,354,845.80 and 1,398,409.75
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Solution
The fourth proportional to 2,431,294.61, 3,354,845.80 and 1,398,409.75 is: 1,929,609.45
Step by Step Solution
- Step 1: Write the proportion equation
2,431,294.61 : 3,354,845.80 = 1,398,409.75 : x - Step 2: Convert to fraction form
2,431,294.61/3,354,845.80 = 1,398,409.75/x - Step 3: Cross multiply
2,431,294.61x = 3,354,845.80 × 1,398,409.75 - Step 4: Simplify right side
2,431,294.61x = 4,691,449,052,700.27 - Step 5: Solve for x
x = 4,691,449,052,700.27/2,431,294.61 - Step 6: Final answer
x = 1,929,609.45
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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.