Finding the Fourth Proportional to 3,543,553.96, 5,316,106.11 and 1,147,640.79
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Solution
The fourth proportional to 3,543,553.96, 5,316,106.11 and 1,147,640.79 is: 1,721,712.24
Step by Step Solution
- Step 1: Write the proportion equation
3,543,553.96 : 5,316,106.11 = 1,147,640.79 : x - Step 2: Convert to fraction form
3,543,553.96/5,316,106.11 = 1,147,640.79/x - Step 3: Cross multiply
3,543,553.96x = 5,316,106.11 × 1,147,640.79 - Step 4: Simplify right side
3,543,553.96x = 6,100,980,215,804.23 - Step 5: Solve for x
x = 6,100,980,215,804.23/3,543,553.96 - Step 6: Final answer
x = 1,721,712.24
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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.