Finding the Fourth Proportional to 2,045,961.26, 2,823,594.64 and 1,128,369.88
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Solution
The fourth proportional to 2,045,961.26, 2,823,594.64 and 1,128,369.88 is: 1,557,243.14
Step by Step Solution
- Step 1: Write the proportion equation
2,045,961.26 : 2,823,594.64 = 1,128,369.88 : x - Step 2: Convert to fraction form
2,045,961.26/2,823,594.64 = 1,128,369.88/x - Step 3: Cross multiply
2,045,961.26x = 2,823,594.64 × 1,128,369.88 - Step 4: Simplify right side
2,045,961.26x = 3,186,059,135,225.53 - Step 5: Solve for x
x = 3,186,059,135,225.53/2,045,961.26 - Step 6: Final answer
x = 1,557,243.14
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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.