Finding the Fourth Proportional to 2,090,485.60, 3,136,765.20 and 1,192,616.80
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Solution
The fourth proportional to 2,090,485.60, 3,136,765.20 and 1,192,616.80 is: 1,789,516.69
Step by Step Solution
- Step 1: Write the proportion equation
2,090,485.60 : 3,136,765.20 = 1,192,616.80 : x - Step 2: Convert to fraction form
2,090,485.60/3,136,765.20 = 1,192,616.80/x - Step 3: Cross multiply
2,090,485.60x = 3,136,765.20 × 1,192,616.80 - Step 4: Simplify right side
2,090,485.60x = 3,740,958,875,175.36 - Step 5: Solve for x
x = 3,740,958,875,175.36/2,090,485.60 - Step 6: Final answer
x = 1,789,516.69
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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.