Finding the Fourth Proportional to 5,685,555.16, 8,525,905.12 and 3,291,052.60
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Solution
The fourth proportional to 5,685,555.16, 8,525,905.12 and 3,291,052.60 is: 4,935,173.69
Step by Step Solution
- Step 1: Write the proportion equation
5,685,555.16 : 8,525,905.12 = 3,291,052.60 : x - Step 2: Convert to fraction form
5,685,555.16/8,525,905.12 = 3,291,052.60/x - Step 3: Cross multiply
5,685,555.16x = 8,525,905.12 × 3,291,052.60 - Step 4: Simplify right side
5,685,555.16x = 28,059,202,212,529.31 - Step 5: Solve for x
x = 28,059,202,212,529.31/5,685,555.16 - Step 6: Final answer
x = 4,935,173.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.