Finding the Fourth Proportional to 2,389,795.12, 3,576,268.68 and 1,491,658.48
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Solution
The fourth proportional to 2,389,795.12, 3,576,268.68 and 1,491,658.48 is: 2,232,229.64
Step by Step Solution
- Step 1: Write the proportion equation
2,389,795.12 : 3,576,268.68 = 1,491,658.48 : x - Step 2: Convert to fraction form
2,389,795.12/3,576,268.68 = 1,491,658.48/x - Step 3: Cross multiply
2,389,795.12x = 3,576,268.68 × 1,491,658.48 - Step 4: Simplify right side
2,389,795.12x = 5,334,571,503,280.41 - Step 5: Solve for x
x = 5,334,571,503,280.41/2,389,795.12 - Step 6: Final answer
x = 2,232,229.64
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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.