Finding the Fourth Proportional to 2,852,626.14, 3,936,042.26 and 1,690,560.18
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Solution
The fourth proportional to 2,852,626.14, 3,936,042.26 and 1,690,560.18 is: 2,332,628.25
Step by Step Solution
- Step 1: Write the proportion equation
2,852,626.14 : 3,936,042.26 = 1,690,560.18 : x - Step 2: Convert to fraction form
2,852,626.14/3,936,042.26 = 1,690,560.18/x - Step 3: Cross multiply
2,852,626.14x = 3,936,042.26 × 1,690,560.18 - Step 4: Simplify right side
2,852,626.14x = 6,654,116,311,553.21 - Step 5: Solve for x
x = 6,654,116,311,553.21/2,852,626.14 - Step 6: Final answer
x = 2,332,628.25
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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.