Finding the Fourth Proportional to 4,043,321.35, 5,579,761.28 and 2,207,766.62
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Solution
The fourth proportional to 4,043,321.35, 5,579,761.28 and 2,207,766.62 is: 3,046,705.83
Step by Step Solution
- Step 1: Write the proportion equation
4,043,321.35 : 5,579,761.28 = 2,207,766.62 : x - Step 2: Convert to fraction form
4,043,321.35/5,579,761.28 = 2,207,766.62/x - Step 3: Cross multiply
4,043,321.35x = 5,579,761.28 × 2,207,766.62 - Step 4: Simplify right side
4,043,321.35x = 12,318,810,704,463.04 - Step 5: Solve for x
x = 12,318,810,704,463.04/4,043,321.35 - Step 6: Final answer
x = 3,046,705.83
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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.