Finding the Fourth Proportional to 1,474,143.69, 2,211,227.92 and 409,268.79
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Solution
The fourth proportional to 1,474,143.69, 2,211,227.92 and 409,268.79 is: 613,906.62
Step by Step Solution
- Step 1: Write the proportion equation
1,474,143.69 : 2,211,227.92 = 409,268.79 : x - Step 2: Convert to fraction form
1,474,143.69/2,211,227.92 = 409,268.79/x - Step 3: Cross multiply
1,474,143.69x = 2,211,227.92 × 409,268.79 - Step 4: Simplify right side
1,474,143.69x = 904,986,574,209.45 - Step 5: Solve for x
x = 904,986,574,209.45/1,474,143.69 - Step 6: Final answer
x = 613,906.62
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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.