Finding the Fourth Proportional to 2,981,643.06, 4,114,649.97 and 1,623,512.82
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Solution
The fourth proportional to 2,981,643.06, 4,114,649.97 and 1,623,512.82 is: 2,240,438.19
Step by Step Solution
- Step 1: Write the proportion equation
2,981,643.06 : 4,114,649.97 = 1,623,512.82 : x - Step 2: Convert to fraction form
2,981,643.06/4,114,649.97 = 1,623,512.82/x - Step 3: Cross multiply
2,981,643.06x = 4,114,649.97 × 1,623,512.82 - Step 4: Simplify right side
2,981,643.06x = 6,680,186,976,107.62 - Step 5: Solve for x
x = 6,680,186,976,107.62/2,981,643.06 - Step 6: Final answer
x = 2,240,438.19
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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.