Finding the Fourth Proportional to 6,891,505.68, 10,339,560.36 and 3,052,806.60
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Solution
The fourth proportional to 6,891,505.68, 10,339,560.36 and 3,052,806.60 is: 4,580,229.57
Step by Step Solution
- Step 1: Write the proportion equation
6,891,505.68 : 10,339,560.36 = 3,052,806.60 : x - Step 2: Convert to fraction form
6,891,505.68/10,339,560.36 = 3,052,806.60/x - Step 3: Cross multiply
6,891,505.68x = 10,339,560.36 × 3,052,806.60 - Step 4: Simplify right side
6,891,505.68x = 31,564,678,108,106.38 - Step 5: Solve for x
x = 31,564,678,108,106.38/6,891,505.68 - Step 6: Final answer
x = 4,580,229.57
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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.