Finding the Fourth Proportional to 3,672,912.20, 5,509,368.30 and 2,659,893.80
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Solution
The fourth proportional to 3,672,912.20, 5,509,368.30 and 2,659,893.80 is: 3,989,840.70
Step by Step Solution
- Step 1: Write the proportion equation
3,672,912.20 : 5,509,368.30 = 2,659,893.80 : x - Step 2: Convert to fraction form
3,672,912.20/5,509,368.30 = 2,659,893.80/x - Step 3: Cross multiply
3,672,912.20x = 5,509,368.30 × 2,659,893.80 - Step 4: Simplify right side
3,672,912.20x = 14,654,334,583,086.54 - Step 5: Solve for x
x = 14,654,334,583,086.54/3,672,912.20 - Step 6: Final answer
x = 3,989,840.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.