Finding the Fourth Proportional to 3,438,042.05, 4,743,463.37 and 2,060,883.28
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Solution
The fourth proportional to 3,438,042.05, 4,743,463.37 and 2,060,883.28 is: 2,843,398.72
Step by Step Solution
- Step 1: Write the proportion equation
3,438,042.05 : 4,743,463.37 = 2,060,883.28 : x - Step 2: Convert to fraction form
3,438,042.05/4,743,463.37 = 2,060,883.28/x - Step 3: Cross multiply
3,438,042.05x = 4,743,463.37 × 2,060,883.28 - Step 4: Simplify right side
3,438,042.05x = 9,775,724,368,889.55 - Step 5: Solve for x
x = 9,775,724,368,889.55/3,438,042.05 - Step 6: Final answer
x = 2,843,398.72
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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.