Finding the Fourth Proportional to 3,975,541.97, 5,963,876.71 and 1,279,240.70
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Solution
The fourth proportional to 3,975,541.97, 5,963,876.71 and 1,279,240.70 is: 1,919,042.45
Step by Step Solution
- Step 1: Write the proportion equation
3,975,541.97 : 5,963,876.71 = 1,279,240.70 : x - Step 2: Convert to fraction form
3,975,541.97/5,963,876.71 = 1,279,240.70/x - Step 3: Cross multiply
3,975,541.97x = 5,963,876.71 × 1,279,240.70 - Step 4: Simplify right side
3,975,541.97x = 7,629,233,784,196.61 - Step 5: Solve for x
x = 7,629,233,784,196.61/3,975,541.97 - Step 6: Final answer
x = 1,919,042.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.