Finding the Fourth Proportional to 3,543,554.96, 5,316,107.61 and 1,147,641.79
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Solution
The fourth proportional to 3,543,554.96, 5,316,107.61 and 1,147,641.79 is: 1,721,713.74
Step by Step Solution
- Step 1: Write the proportion equation
3,543,554.96 : 5,316,107.61 = 1,147,641.79 : x - Step 2: Convert to fraction form
3,543,554.96/5,316,107.61 = 1,147,641.79/x - Step 3: Cross multiply
3,543,554.96x = 5,316,107.61 × 1,147,641.79 - Step 4: Simplify right side
3,543,554.96x = 6,100,987,253,373.02 - Step 5: Solve for x
x = 6,100,987,253,373.02/3,543,554.96 - Step 6: Final answer
x = 1,721,713.74
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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.