Finding the Fourth Proportional to 2,235,755.64, 3,085,376.22 and 1,217,177.40
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Solution
The fourth proportional to 2,235,755.64, 3,085,376.22 and 1,217,177.40 is: 1,679,723.02
Step by Step Solution
- Step 1: Write the proportion equation
2,235,755.64 : 3,085,376.22 = 1,217,177.40 : x - Step 2: Convert to fraction form
2,235,755.64/3,085,376.22 = 1,217,177.40/x - Step 3: Cross multiply
2,235,755.64x = 3,085,376.22 × 1,217,177.40 - Step 4: Simplify right side
2,235,755.64x = 3,755,450,205,481.43 - Step 5: Solve for x
x = 3,755,450,205,481.43/2,235,755.64 - Step 6: Final answer
x = 1,679,723.02
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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.