Finding the Fourth Proportional to 5,240,626.38, 7,862,543.91 and 2,683,651.68
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Solution
The fourth proportional to 5,240,626.38, 7,862,543.91 and 2,683,651.68 is: 4,026,299.08
Step by Step Solution
- Step 1: Write the proportion equation
5,240,626.38 : 7,862,543.91 = 2,683,651.68 : x - Step 2: Convert to fraction form
5,240,626.38/7,862,543.91 = 2,683,651.68/x - Step 3: Cross multiply
5,240,626.38x = 7,862,543.91 × 2,683,651.68 - Step 4: Simplify right side
5,240,626.38x = 21,100,329,173,145.27 - Step 5: Solve for x
x = 21,100,329,173,145.27/5,240,626.38 - Step 6: Final answer
x = 4,026,299.08
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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.