Finding the Fourth Proportional to 1,661,460.39, 2,292,882.84 and 936,338.67
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Solution
The fourth proportional to 1,661,460.39, 2,292,882.84 and 936,338.67 is: 1,292,185.41
Step by Step Solution
- Step 1: Write the proportion equation
1,661,460.39 : 2,292,882.84 = 936,338.67 : x - Step 2: Convert to fraction form
1,661,460.39/2,292,882.84 = 936,338.67/x - Step 3: Cross multiply
1,661,460.39x = 2,292,882.84 × 936,338.67 - Step 4: Simplify right side
1,661,460.39x = 2,146,914,868,871.42 - Step 5: Solve for x
x = 2,146,914,868,871.42/1,661,460.39 - Step 6: Final answer
x = 1,292,185.41
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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.