Finding the Fourth Proportional to 3,719,238.80, 5,576,233.80 and 1,698,450.80
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Solution
The fourth proportional to 3,719,238.80, 5,576,233.80 and 1,698,450.80 is: 2,546,477.73
Step by Step Solution
- Step 1: Write the proportion equation
3,719,238.80 : 5,576,233.80 = 1,698,450.80 : x - Step 2: Convert to fraction form
3,719,238.80/5,576,233.80 = 1,698,450.80/x - Step 3: Cross multiply
3,719,238.80x = 5,576,233.80 × 1,698,450.80 - Step 4: Simplify right side
3,719,238.80x = 9,470,958,758,597.04 - Step 5: Solve for x
x = 9,470,958,758,597.04/3,719,238.80 - Step 6: Final answer
x = 2,546,477.73
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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.