Finding the Fourth Proportional to 1,916,142.84, 2,644,188.17 and 1,099,771.97
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Solution
The fourth proportional to 1,916,142.84, 2,644,188.17 and 1,099,771.97 is: 1,517,634.26
Step by Step Solution
- Step 1: Write the proportion equation
1,916,142.84 : 2,644,188.17 = 1,099,771.97 : x - Step 2: Convert to fraction form
1,916,142.84/2,644,188.17 = 1,099,771.97/x - Step 3: Cross multiply
1,916,142.84x = 2,644,188.17 × 1,099,771.97 - Step 4: Simplify right side
1,916,142.84x = 2,908,004,014,051.79 - Step 5: Solve for x
x = 2,908,004,014,051.79/1,916,142.84 - Step 6: Final answer
x = 1,517,634.26
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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.