Finding the Fourth Proportional to 1,548,072.91, 2,136,411.65 and 859,747.97
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Solution
The fourth proportional to 1,548,072.91, 2,136,411.65 and 859,747.97 is: 1,186,491.65
Step by Step Solution
- Step 1: Write the proportion equation
1,548,072.91 : 2,136,411.65 = 859,747.97 : x - Step 2: Convert to fraction form
1,548,072.91/2,136,411.65 = 859,747.97/x - Step 3: Cross multiply
1,548,072.91x = 2,136,411.65 × 859,747.97 - Step 4: Simplify right side
1,548,072.91x = 1,836,775,586,662.25 - Step 5: Solve for x
x = 1,836,775,586,662.25/1,548,072.91 - Step 6: Final answer
x = 1,186,491.65
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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.