Finding the Fourth Proportional to 5,175,580.27, 7,763,369.37 and 1,389,063.14
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Solution
The fourth proportional to 5,175,580.27, 7,763,369.37 and 1,389,063.14 is: 2,083,594.44
Step by Step Solution
- Step 1: Write the proportion equation
5,175,580.27 : 7,763,369.37 = 1,389,063.14 : x - Step 2: Convert to fraction form
5,175,580.27/7,763,369.37 = 1,389,063.14/x - Step 3: Cross multiply
5,175,580.27x = 7,763,369.37 × 1,389,063.14 - Step 4: Simplify right side
5,175,580.27x = 10,783,810,238,865.53 - Step 5: Solve for x
x = 10,783,810,238,865.53/5,175,580.27 - Step 6: Final answer
x = 2,083,594.44
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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.