Finding the Fourth Proportional to 2,878,283.82, 3,972,006.27 and 1,589,096.70
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Solution
The fourth proportional to 2,878,283.82, 3,972,006.27 and 1,589,096.70 is: 2,192,939.42
Step by Step Solution
- Step 1: Write the proportion equation
2,878,283.82 : 3,972,006.27 = 1,589,096.70 : x - Step 2: Convert to fraction form
2,878,283.82/3,972,006.27 = 1,589,096.70/x - Step 3: Cross multiply
2,878,283.82x = 3,972,006.27 × 1,589,096.70 - Step 4: Simplify right side
2,878,283.82x = 6,311,902,056,036.31 - Step 5: Solve for x
x = 6,311,902,056,036.31/2,878,283.82 - Step 6: Final answer
x = 2,192,939.42
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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.