Finding the Fourth Proportional to 1,473,245.12, 2,209,857.90 and 379,028.24
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Solution
The fourth proportional to 1,473,245.12, 2,209,857.90 and 379,028.24 is: 568,539.84
Step by Step Solution
- Step 1: Write the proportion equation
1,473,245.12 : 2,209,857.90 = 379,028.24 : x - Step 2: Convert to fraction form
1,473,245.12/2,209,857.90 = 379,028.24/x - Step 3: Cross multiply
1,473,245.12x = 2,209,857.90 × 379,028.24 - Step 4: Simplify right side
1,473,245.12x = 837,598,550,487.10 - Step 5: Solve for x
x = 837,598,550,487.10/1,473,245.12 - Step 6: Final answer
x = 568,539.84
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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.