Finding the Fourth Proportional to 1,441,015.80, 2,161,520.64 and 1,353,327.96
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Solution
The fourth proportional to 1,441,015.80, 2,161,520.64 and 1,353,327.96 is: 2,029,989.07
Step by Step Solution
- Step 1: Write the proportion equation
1,441,015.80 : 2,161,520.64 = 1,353,327.96 : x - Step 2: Convert to fraction form
1,441,015.80/2,161,520.64 = 1,353,327.96/x - Step 3: Cross multiply
1,441,015.80x = 2,161,520.64 × 1,353,327.96 - Step 4: Simplify right side
1,441,015.80x = 2,925,246,318,229.10 - Step 5: Solve for x
x = 2,925,246,318,229.10/1,441,015.80 - Step 6: Final answer
x = 2,029,989.07
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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.