Finding the Fourth Proportional to 3,615,701.44, 4,989,654.24 and 1,984,135.84
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Solution
The fourth proportional to 3,615,701.44, 4,989,654.24 and 1,984,135.84 is: 2,738,099.92
Step by Step Solution
- Step 1: Write the proportion equation
3,615,701.44 : 4,989,654.24 = 1,984,135.84 : x - Step 2: Convert to fraction form
3,615,701.44/4,989,654.24 = 1,984,135.84/x - Step 3: Cross multiply
3,615,701.44x = 4,989,654.24 × 1,984,135.84 - Step 4: Simplify right side
3,615,701.44x = 9,900,151,806,791.96 - Step 5: Solve for x
x = 9,900,151,806,791.96/3,615,701.44 - Step 6: Final answer
x = 2,738,099.92
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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.