Finding the Fourth Proportional to 2,242,843.76, 3,095,097.20 and 1,275,971.84
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Solution
The fourth proportional to 2,242,843.76, 3,095,097.20 and 1,275,971.84 is: 1,760,825.67
Step by Step Solution
- Step 1: Write the proportion equation
2,242,843.76 : 3,095,097.20 = 1,275,971.84 : x - Step 2: Convert to fraction form
2,242,843.76/3,095,097.20 = 1,275,971.84/x - Step 3: Cross multiply
2,242,843.76x = 3,095,097.20 × 1,275,971.84 - Step 4: Simplify right side
2,242,843.76x = 3,949,256,869,262.85 - Step 5: Solve for x
x = 3,949,256,869,262.85/2,242,843.76 - Step 6: Final answer
x = 1,760,825.67
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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.