Finding the Fourth Proportional to 1,635,858.63, 2,257,440.90 and 910,706.43
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Solution
The fourth proportional to 1,635,858.63, 2,257,440.90 and 910,706.43 is: 1,256,750.37
Step by Step Solution
- Step 1: Write the proportion equation
1,635,858.63 : 2,257,440.90 = 910,706.43 : x - Step 2: Convert to fraction form
1,635,858.63/2,257,440.90 = 910,706.43/x - Step 3: Cross multiply
1,635,858.63x = 2,257,440.90 × 910,706.43 - Step 4: Simplify right side
1,635,858.63x = 2,055,865,942,974.99 - Step 5: Solve for x
x = 2,055,865,942,974.99/1,635,858.63 - Step 6: Final answer
x = 1,256,750.37
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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.