Finding the Fourth Proportional to 5,081,871.62, 7,586,252.70 and 4,354,379.57
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Solution
The fourth proportional to 5,081,871.62, 7,586,252.70 and 4,354,379.57 is: 6,500,247.59
Step by Step Solution
- Step 1: Write the proportion equation
5,081,871.62 : 7,586,252.70 = 4,354,379.57 : x - Step 2: Convert to fraction form
5,081,871.62/7,586,252.70 = 4,354,379.57/x - Step 3: Cross multiply
5,081,871.62x = 7,586,252.70 × 4,354,379.57 - Step 4: Simplify right side
5,081,871.62x = 33,033,423,769,737.34 - Step 5: Solve for x
x = 33,033,423,769,737.34/5,081,871.62 - Step 6: Final answer
x = 6,500,247.59
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.