Finding the Fourth Proportional to 1,635,711.70, 2,257,321.70 and 910,608.43
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Solution
The fourth proportional to 1,635,711.70, 2,257,321.70 and 910,608.43 is: 1,256,661.65
Step by Step Solution
- Step 1: Write the proportion equation
1,635,711.70 : 2,257,321.70 = 910,608.43 : x - Step 2: Convert to fraction form
1,635,711.70/2,257,321.70 = 910,608.43/x - Step 3: Cross multiply
1,635,711.70x = 2,257,321.70 × 910,608.43 - Step 4: Simplify right side
1,635,711.70x = 2,055,536,165,875.15 - Step 5: Solve for x
x = 2,055,536,165,875.15/1,635,711.70 - Step 6: Final answer
x = 1,256,661.65
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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.