Finding the Fourth Proportional to 3,540,649.96, 5,306,231.22 and 3,313,901.80
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Solution
The fourth proportional to 3,540,649.96, 5,306,231.22 and 3,313,901.80 is: 4,966,412.77
Step by Step Solution
- Step 1: Write the proportion equation
3,540,649.96 : 5,306,231.22 = 3,313,901.80 : x - Step 2: Convert to fraction form
3,540,649.96/5,306,231.22 = 3,313,901.80/x - Step 3: Cross multiply
3,540,649.96x = 5,306,231.22 × 3,313,901.80 - Step 4: Simplify right side
3,540,649.96x = 17,584,329,191,174.19 - Step 5: Solve for x
x = 17,584,329,191,174.19/3,540,649.96 - Step 6: Final answer
x = 4,966,412.77
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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.