Finding the Fourth Proportional to 3,115,811.97, 4,673,250.18 and 985,619.25
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Solution
The fourth proportional to 3,115,811.97, 4,673,250.18 and 985,619.25 is: 1,478,280.90
Step by Step Solution
- Step 1: Write the proportion equation
3,115,811.97 : 4,673,250.18 = 985,619.25 : x - Step 2: Convert to fraction form
3,115,811.97/4,673,250.18 = 985,619.25/x - Step 3: Cross multiply
3,115,811.97x = 4,673,250.18 × 985,619.25 - Step 4: Simplify right side
3,115,811.97x = 4,606,045,337,473.97 - Step 5: Solve for x
x = 4,606,045,337,473.97/3,115,811.97 - Step 6: Final answer
x = 1,478,280.90
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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.