Finding the Fourth Proportional to 5,161,694.06, 7,742,553.42 and 1,567,488.08
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Solution
The fourth proportional to 5,161,694.06, 7,742,553.42 and 1,567,488.08 is: 2,351,235.86
Step by Step Solution
- Step 1: Write the proportion equation
5,161,694.06 : 7,742,553.42 = 1,567,488.08 : x - Step 2: Convert to fraction form
5,161,694.06/7,742,553.42 = 1,567,488.08/x - Step 3: Cross multiply
5,161,694.06x = 7,742,553.42 × 1,567,488.08 - Step 4: Simplify right side
5,161,694.06x = 12,136,360,194,613.23 - Step 5: Solve for x
x = 12,136,360,194,613.23/5,161,694.06 - Step 6: Final answer
x = 2,351,235.86
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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.