Finding the Fourth Proportional to 2,080,409.80, 3,120,614.70 and 1,135,625.80
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Solution
The fourth proportional to 2,080,409.80, 3,120,614.70 and 1,135,625.80 is: 1,703,438.70
Step by Step Solution
- Step 1: Write the proportion equation
2,080,409.80 : 3,120,614.70 = 1,135,625.80 : x - Step 2: Convert to fraction form
2,080,409.80/3,120,614.70 = 1,135,625.80/x - Step 3: Cross multiply
2,080,409.80x = 3,120,614.70 × 1,135,625.80 - Step 4: Simplify right side
2,080,409.80x = 3,543,850,565,179.26 - Step 5: Solve for x
x = 3,543,850,565,179.26/2,080,409.80 - Step 6: Final answer
x = 1,703,438.70
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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.