Finding the Fourth Proportional to 1,589,812.20, 2,381,607.90 and 956,845.80
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Solution
The fourth proportional to 1,589,812.20, 2,381,607.90 and 956,845.80 is: 1,433,396.67
Step by Step Solution
- Step 1: Write the proportion equation
1,589,812.20 : 2,381,607.90 = 956,845.80 : x - Step 2: Convert to fraction form
1,589,812.20/2,381,607.90 = 956,845.80/x - Step 3: Cross multiply
1,589,812.20x = 2,381,607.90 × 956,845.80 - Step 4: Simplify right side
1,589,812.20x = 2,278,831,516,361.82 - Step 5: Solve for x
x = 2,278,831,516,361.82/1,589,812.20 - Step 6: Final answer
x = 1,433,396.67
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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.