Finding the Fourth Proportional to 4,664,810.70, 6,997,570.20 and 1,589,845.80
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Solution
The fourth proportional to 4,664,810.70, 6,997,570.20 and 1,589,845.80 is: 2,384,889.40
Step by Step Solution
- Step 1: Write the proportion equation
4,664,810.70 : 6,997,570.20 = 1,589,845.80 : x - Step 2: Convert to fraction form
4,664,810.70/6,997,570.20 = 1,589,845.80/x - Step 3: Cross multiply
4,664,810.70x = 6,997,570.20 × 1,589,845.80 - Step 4: Simplify right side
4,664,810.70x = 11,125,057,592,675.16 - Step 5: Solve for x
x = 11,125,057,592,675.16/4,664,810.70 - Step 6: Final answer
x = 2,384,889.40
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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.