Finding the Fourth Proportional to 2,744,553.19, 3,787,505.64 and 1,520,879.14
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Solution
The fourth proportional to 2,744,553.19, 3,787,505.64 and 1,520,879.14 is: 2,098,825.54
Step by Step Solution
- Step 1: Write the proportion equation
2,744,553.19 : 3,787,505.64 = 1,520,879.14 : x - Step 2: Convert to fraction form
2,744,553.19/3,787,505.64 = 1,520,879.14/x - Step 3: Cross multiply
2,744,553.19x = 3,787,505.64 × 1,520,879.14 - Step 4: Simplify right side
2,744,553.19x = 5,760,338,320,508.35 - Step 5: Solve for x
x = 5,760,338,320,508.35/2,744,553.19 - Step 6: Final answer
x = 2,098,825.54
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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.