Finding the Fourth Proportional to 5,540,435.84, 7,645,771.20 and 3,092,905.28
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Solution
The fourth proportional to 5,540,435.84, 7,645,771.20 and 3,092,905.28 is: 4,268,192.39
Step by Step Solution
- Step 1: Write the proportion equation
5,540,435.84 : 7,645,771.20 = 3,092,905.28 : x - Step 2: Convert to fraction form
5,540,435.84/7,645,771.20 = 3,092,905.28/x - Step 3: Cross multiply
5,540,435.84x = 7,645,771.20 × 3,092,905.28 - Step 4: Simplify right side
5,540,435.84x = 23,647,646,114,151.93 - Step 5: Solve for x
x = 23,647,646,114,151.93/5,540,435.84 - Step 6: Final answer
x = 4,268,192.39
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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.