Finding the Fourth Proportional to 3,136,252.05, 4,328,288.73 and 1,740,944.97
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Solution
The fourth proportional to 3,136,252.05, 4,328,288.73 and 1,740,944.97 is: 2,402,648.89
Step by Step Solution
- Step 1: Write the proportion equation
3,136,252.05 : 4,328,288.73 = 1,740,944.97 : x - Step 2: Convert to fraction form
3,136,252.05/4,328,288.73 = 1,740,944.97/x - Step 3: Cross multiply
3,136,252.05x = 4,328,288.73 × 1,740,944.97 - Step 4: Simplify right side
3,136,252.05x = 7,535,312,493,201.19 - Step 5: Solve for x
x = 7,535,312,493,201.19/3,136,252.05 - Step 6: Final answer
x = 2,402,648.89
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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.