Finding the Fourth Proportional to 4,381,651.20, 6,571,483.20 and 1,983,912.96
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Solution
The fourth proportional to 4,381,651.20, 6,571,483.20 and 1,983,912.96 is: 2,975,419.56
Step by Step Solution
- Step 1: Write the proportion equation
4,381,651.20 : 6,571,483.20 = 1,983,912.96 : x - Step 2: Convert to fraction form
4,381,651.20/6,571,483.20 = 1,983,912.96/x - Step 3: Cross multiply
4,381,651.20x = 6,571,483.20 × 1,983,912.96 - Step 4: Simplify right side
4,381,651.20x = 13,037,250,686,902.27 - Step 5: Solve for x
x = 13,037,250,686,902.27/4,381,651.20 - Step 6: Final answer
x = 2,975,419.56
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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.