Finding the Fourth Proportional to 3,723,309.80, 5,585,620.80 and 1,328,544.80
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Solution
The fourth proportional to 3,723,309.80, 5,585,620.80 and 1,328,544.80 is: 1,993,051.31
Step by Step Solution
- Step 1: Write the proportion equation
3,723,309.80 : 5,585,620.80 = 1,328,544.80 : x - Step 2: Convert to fraction form
3,723,309.80/5,585,620.80 = 1,328,544.80/x - Step 3: Cross multiply
3,723,309.80x = 5,585,620.80 × 1,328,544.80 - Step 4: Simplify right side
3,723,309.80x = 7,420,747,468,611.84 - Step 5: Solve for x
x = 7,420,747,468,611.84/3,723,309.80 - Step 6: Final answer
x = 1,993,051.31
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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.