Finding the Fourth Proportional to 3,413,797.55, 5,121,434.43 and 1,816,128.44
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Solution
The fourth proportional to 3,413,797.55, 5,121,434.43 and 1,816,128.44 is: 2,724,585.32
Step by Step Solution
- Step 1: Write the proportion equation
3,413,797.55 : 5,121,434.43 = 1,816,128.44 : x - Step 2: Convert to fraction form
3,413,797.55/5,121,434.43 = 1,816,128.44/x - Step 3: Cross multiply
3,413,797.55x = 5,121,434.43 × 1,816,128.44 - Step 4: Simplify right side
3,413,797.55x = 9,301,182,687,230.38 - Step 5: Solve for x
x = 9,301,182,687,230.38/3,413,797.55 - Step 6: Final answer
x = 2,724,585.32
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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.