Finding the Fourth Proportional to 5,318,059.96, 7,977,102.90 and 2,123,445.88
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Solution
The fourth proportional to 5,318,059.96, 7,977,102.90 and 2,123,445.88 is: 3,185,173.99
Step by Step Solution
- Step 1: Write the proportion equation
5,318,059.96 : 7,977,102.90 = 2,123,445.88 : x - Step 2: Convert to fraction form
5,318,059.96/7,977,102.90 = 2,123,445.88/x - Step 3: Cross multiply
5,318,059.96x = 7,977,102.90 × 2,123,445.88 - Step 4: Simplify right side
5,318,059.96x = 16,938,946,287,341.05 - Step 5: Solve for x
x = 16,938,946,287,341.05/5,318,059.96 - Step 6: Final answer
x = 3,185,173.99
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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.