Finding the Fourth Proportional to 2,542,738.45, 3,509,016.81 and 1,381,207.36
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Solution
The fourth proportional to 2,542,738.45, 3,509,016.81 and 1,381,207.36 is: 1,906,086.66
Step by Step Solution
- Step 1: Write the proportion equation
2,542,738.45 : 3,509,016.81 = 1,381,207.36 : x - Step 2: Convert to fraction form
2,542,738.45/3,509,016.81 = 1,381,207.36/x - Step 3: Cross multiply
2,542,738.45x = 3,509,016.81 × 1,381,207.36 - Step 4: Simplify right side
2,542,738.45x = 4,846,679,844,335.72 - Step 5: Solve for x
x = 4,846,679,844,335.72/2,542,738.45 - Step 6: Final answer
x = 1,906,086.66
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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.