Finding the Fourth Proportional to 3,791,412.54, 5,230,582.74 and 2,646,163.26
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Solution
The fourth proportional to 3,791,412.54, 5,230,582.74 and 2,646,163.26 is: 3,650,611.94
Step by Step Solution
- Step 1: Write the proportion equation
3,791,412.54 : 5,230,582.74 = 2,646,163.26 : x - Step 2: Convert to fraction form
3,791,412.54/5,230,582.74 = 2,646,163.26/x - Step 3: Cross multiply
3,791,412.54x = 5,230,582.74 × 2,646,163.26 - Step 4: Simplify right side
3,791,412.54x = 13,840,975,874,978.13 - Step 5: Solve for x
x = 13,840,975,874,978.13/3,791,412.54 - Step 6: Final answer
x = 3,650,611.94
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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.