Finding the Fourth Proportional to 3,915,217.49, 5,403,649.49 and 2,283,624.80
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Solution
The fourth proportional to 3,915,217.49, 5,403,649.49 and 2,283,624.80 is: 3,151,780.97
Step by Step Solution
- Step 1: Write the proportion equation
3,915,217.49 : 5,403,649.49 = 2,283,624.80 : x - Step 2: Convert to fraction form
3,915,217.49/5,403,649.49 = 2,283,624.80/x - Step 3: Cross multiply
3,915,217.49x = 5,403,649.49 × 2,283,624.80 - Step 4: Simplify right side
3,915,217.49x = 12,339,907,976,262.26 - Step 5: Solve for x
x = 12,339,907,976,262.26/3,915,217.49 - Step 6: Final answer
x = 3,151,780.97
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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.