Finding the Fourth Proportional to 1,508,586.21, 2,081,825.94 and 820,252.56
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Solution
The fourth proportional to 1,508,586.21, 2,081,825.94 and 820,252.56 is: 1,131,936.01
Step by Step Solution
- Step 1: Write the proportion equation
1,508,586.21 : 2,081,825.94 = 820,252.56 : x - Step 2: Convert to fraction form
1,508,586.21/2,081,825.94 = 820,252.56/x - Step 3: Cross multiply
1,508,586.21x = 2,081,825.94 × 820,252.56 - Step 4: Simplify right side
1,508,586.21x = 1,707,623,056,759.41 - Step 5: Solve for x
x = 1,707,623,056,759.41/1,508,586.21 - Step 6: Final answer
x = 1,131,936.01
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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.