Finding the Fourth Proportional to 2,616,546.40, 3,921,903.60 and 1,018,578.40
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Solution
The fourth proportional to 2,616,546.40, 3,921,903.60 and 1,018,578.40 is: 1,526,732.45
Step by Step Solution
- Step 1: Write the proportion equation
2,616,546.40 : 3,921,903.60 = 1,018,578.40 : x - Step 2: Convert to fraction form
2,616,546.40/3,921,903.60 = 1,018,578.40/x - Step 3: Cross multiply
2,616,546.40x = 3,921,903.60 × 1,018,578.40 - Step 4: Simplify right side
2,616,546.40x = 3,994,766,293,842.24 - Step 5: Solve for x
x = 3,994,766,293,842.24/2,616,546.40 - Step 6: Final answer
x = 1,526,732.45
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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.