Finding the Fourth Proportional to 3,057,755.97, 4,219,705.92 and 1,681,123.10
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Solution
The fourth proportional to 3,057,755.97, 4,219,705.92 and 1,681,123.10 is: 2,319,951.35
Step by Step Solution
- Step 1: Write the proportion equation
3,057,755.97 : 4,219,705.92 = 1,681,123.10 : x - Step 2: Convert to fraction form
3,057,755.97/4,219,705.92 = 1,681,123.10/x - Step 3: Cross multiply
3,057,755.97x = 4,219,705.92 × 1,681,123.10 - Step 4: Simplify right side
3,057,755.97x = 7,093,845,088,913.14 - Step 5: Solve for x
x = 7,093,845,088,913.14/3,057,755.97 - Step 6: Final answer
x = 2,319,951.35
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1.5x scale
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.