Finding the Fourth Proportional to 1,662,438.76, 2,493,658.14 and 764,635.62
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Solution
The fourth proportional to 1,662,438.76, 2,493,658.14 and 764,635.62 is: 1,146,953.43
Step by Step Solution
- Step 1: Write the proportion equation
1,662,438.76 : 2,493,658.14 = 764,635.62 : x - Step 2: Convert to fraction form
1,662,438.76/2,493,658.14 = 764,635.62/x - Step 3: Cross multiply
1,662,438.76x = 2,493,658.14 × 764,635.62 - Step 4: Simplify right side
1,662,438.76x = 1,906,739,837,946.95 - Step 5: Solve for x
x = 1,906,739,837,946.95/1,662,438.76 - Step 6: Final answer
x = 1,146,953.43
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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.