Finding the Fourth Proportional to 4,114,979.91, 5,680,641.39 and 2,740,610.79
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Solution
The fourth proportional to 4,114,979.91, 5,680,641.39 and 2,740,610.79 is: 3,783,354.34
Step by Step Solution
- Step 1: Write the proportion equation
4,114,979.91 : 5,680,641.39 = 2,740,610.79 : x - Step 2: Convert to fraction form
4,114,979.91/5,680,641.39 = 2,740,610.79/x - Step 3: Cross multiply
4,114,979.91x = 5,680,641.39 × 2,740,610.79 - Step 4: Simplify right side
4,114,979.91x = 15,568,427,087,554.60 - Step 5: Solve for x
x = 15,568,427,087,554.60/4,114,979.91 - Step 6: Final answer
x = 3,783,354.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.