Finding the Fourth Proportional to 2,755,757.13, 3,802,959.60 and 1,515,447.44
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Solution
The fourth proportional to 2,755,757.13, 3,802,959.60 and 1,515,447.44 is: 2,091,325.58
Step by Step Solution
- Step 1: Write the proportion equation
2,755,757.13 : 3,802,959.60 = 1,515,447.44 : x - Step 2: Convert to fraction form
2,755,757.13/3,802,959.60 = 1,515,447.44/x - Step 3: Cross multiply
2,755,757.13x = 3,802,959.60 × 1,515,447.44 - Step 4: Simplify right side
2,755,757.13x = 5,763,185,371,228.63 - Step 5: Solve for x
x = 5,763,185,371,228.63/2,755,757.13 - Step 6: Final answer
x = 2,091,325.58
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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.