Finding the Fourth Proportional to 3,319,877.96, 4,979,993.46 and 1,045,580.20
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Solution
The fourth proportional to 3,319,877.96, 4,979,993.46 and 1,045,580.20 is: 1,568,425.89
Step by Step Solution
- Step 1: Write the proportion equation
3,319,877.96 : 4,979,993.46 = 1,045,580.20 : x - Step 2: Convert to fraction form
3,319,877.96/4,979,993.46 = 1,045,580.20/x - Step 3: Cross multiply
3,319,877.96x = 4,979,993.46 × 1,045,580.20 - Step 4: Simplify right side
3,319,877.96x = 5,206,982,557,905.49 - Step 5: Solve for x
x = 5,206,982,557,905.49/3,319,877.96 - Step 6: Final answer
x = 1,568,425.89
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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.