Finding the Fourth Proportional to 2,875,730.65, 3,968,521.09 and 1,586,608.97
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Solution
The fourth proportional to 2,875,730.65, 3,968,521.09 and 1,586,608.97 is: 2,189,527.43
Step by Step Solution
- Step 1: Write the proportion equation
2,875,730.65 : 3,968,521.09 = 1,586,608.97 : x - Step 2: Convert to fraction form
2,875,730.65/3,968,521.09 = 1,586,608.97/x - Step 3: Cross multiply
2,875,730.65x = 3,968,521.09 × 1,586,608.97 - Step 4: Simplify right side
2,875,730.65x = 6,296,491,135,219.05 - Step 5: Solve for x
x = 6,296,491,135,219.05/2,875,730.65 - Step 6: Final answer
x = 2,189,527.43
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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.