Finding the Fourth Proportional to 3,836,897.40, 5,757,419.70 and 1,707,310.20
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Solution
The fourth proportional to 3,836,897.40, 5,757,419.70 and 1,707,310.20 is: 2,561,887.99
Step by Step Solution
- Step 1: Write the proportion equation
3,836,897.40 : 5,757,419.70 = 1,707,310.20 : x - Step 2: Convert to fraction form
3,836,897.40/5,757,419.70 = 1,707,310.20/x - Step 3: Cross multiply
3,836,897.40x = 5,757,419.70 × 1,707,310.20 - Step 4: Simplify right side
3,836,897.40x = 9,829,701,379,490.94 - Step 5: Solve for x
x = 9,829,701,379,490.94/3,836,897.40 - Step 6: Final answer
x = 2,561,887.99
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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.