Finding the Fourth Proportional to 5,351,914.81, 7,385,646.32 and 2,904,525.19
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Solution
The fourth proportional to 5,351,914.81, 7,385,646.32 and 2,904,525.19 is: 4,008,246.87
Step by Step Solution
- Step 1: Write the proportion equation
5,351,914.81 : 7,385,646.32 = 2,904,525.19 : x - Step 2: Convert to fraction form
5,351,914.81/7,385,646.32 = 2,904,525.19/x - Step 3: Cross multiply
5,351,914.81x = 7,385,646.32 × 2,904,525.19 - Step 4: Simplify right side
5,351,914.81x = 21,451,795,780,870.80 - Step 5: Solve for x
x = 21,451,795,780,870.80/5,351,914.81 - Step 6: Final answer
x = 4,008,246.87
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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.