Finding the Fourth Proportional to 1,661,571.42, 2,292,982.86 and 936,280.14
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Solution
The fourth proportional to 1,661,571.42, 2,292,982.86 and 936,280.14 is: 1,292,074.65
Step by Step Solution
- Step 1: Write the proportion equation
1,661,571.42 : 2,292,982.86 = 936,280.14 : x - Step 2: Convert to fraction form
1,661,571.42/2,292,982.86 = 936,280.14/x - Step 3: Cross multiply
1,661,571.42x = 2,292,982.86 × 936,280.14 - Step 4: Simplify right side
1,661,571.42x = 2,146,874,313,178.40 - Step 5: Solve for x
x = 2,146,874,313,178.40/1,661,571.42 - Step 6: Final answer
x = 1,292,074.65
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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.