Finding the Fourth Proportional to 3,816,537.42, 5,724,806.13 and 1,420,319.82
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Solution
The fourth proportional to 3,816,537.42, 5,724,806.13 and 1,420,319.82 is: 2,130,479.73
Step by Step Solution
- Step 1: Write the proportion equation
3,816,537.42 : 5,724,806.13 = 1,420,319.82 : x - Step 2: Convert to fraction form
3,816,537.42/5,724,806.13 = 1,420,319.82/x - Step 3: Cross multiply
3,816,537.42x = 5,724,806.13 × 1,420,319.82 - Step 4: Simplify right side
3,816,537.42x = 8,131,055,612,096.50 - Step 5: Solve for x
x = 8,131,055,612,096.50/3,816,537.42 - Step 6: Final answer
x = 2,130,479.73
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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.