Finding the Fourth Proportional to 1,877,076.75, 2,592,504.33 and 1,272,414.99
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Solution
The fourth proportional to 1,877,076.75, 2,592,504.33 and 1,272,414.99 is: 1,757,382.25
Step by Step Solution
- Step 1: Write the proportion equation
1,877,076.75 : 2,592,504.33 = 1,272,414.99 : x - Step 2: Convert to fraction form
1,877,076.75/2,592,504.33 = 1,272,414.99/x - Step 3: Cross multiply
1,877,076.75x = 2,592,504.33 × 1,272,414.99 - Step 4: Simplify right side
1,877,076.75x = 3,298,741,371,131.91 - Step 5: Solve for x
x = 3,298,741,371,131.91/1,877,076.75 - Step 6: Final answer
x = 1,757,382.25
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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.