Finding the Fourth Proportional to 4,493,114.70, 6,739,672.05 and 4,465,121.10
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Solution
The fourth proportional to 4,493,114.70, 6,739,672.05 and 4,465,121.10 is: 6,697,681.65
Step by Step Solution
- Step 1: Write the proportion equation
4,493,114.70 : 6,739,672.05 = 4,465,121.10 : x - Step 2: Convert to fraction form
4,493,114.70/6,739,672.05 = 4,465,121.10/x - Step 3: Cross multiply
4,493,114.70x = 6,739,672.05 × 4,465,121.10 - Step 4: Simplify right side
4,493,114.70x = 30,093,451,877,535.25 - Step 5: Solve for x
x = 30,093,451,877,535.25/4,493,114.70 - Step 6: Final answer
x = 6,697,681.65
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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.