Finding the Fourth Proportional to 3,515,218.92, 4,850,813.70 and 1,987,234.92
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Solution
The fourth proportional to 3,515,218.92, 4,850,813.70 and 1,987,234.92 is: 2,742,277.68
Step by Step Solution
- Step 1: Write the proportion equation
3,515,218.92 : 4,850,813.70 = 1,987,234.92 : x - Step 2: Convert to fraction form
3,515,218.92/4,850,813.70 = 1,987,234.92/x - Step 3: Cross multiply
3,515,218.92x = 4,850,813.70 × 1,987,234.92 - Step 4: Simplify right side
3,515,218.92x = 9,639,706,375,054.40 - Step 5: Solve for x
x = 9,639,706,375,054.40/3,515,218.92 - Step 6: Final answer
x = 2,742,277.68
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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.