Finding the Fourth Proportional to 4,743,362.29, 7,114,914.24 and 1,331,677.12
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Solution
The fourth proportional to 4,743,362.29, 7,114,914.24 and 1,331,677.12 is: 1,997,479.41
Step by Step Solution
- Step 1: Write the proportion equation
4,743,362.29 : 7,114,914.24 = 1,331,677.12 : x - Step 2: Convert to fraction form
4,743,362.29/7,114,914.24 = 1,331,677.12/x - Step 3: Cross multiply
4,743,362.29x = 7,114,914.24 × 1,331,677.12 - Step 4: Simplify right side
4,743,362.29x = 9,474,768,504,170.19 - Step 5: Solve for x
x = 9,474,768,504,170.19/4,743,362.29 - Step 6: Final answer
x = 1,997,479.41
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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.