Finding the Fourth Proportional to 4,149,854.08, 5,728,227.36 and 2,431,530.88
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Solution
The fourth proportional to 4,149,854.08, 5,728,227.36 and 2,431,530.88 is: 3,356,349.75
Step by Step Solution
- Step 1: Write the proportion equation
4,149,854.08 : 5,728,227.36 = 2,431,530.88 : x - Step 2: Convert to fraction form
4,149,854.08/5,728,227.36 = 2,431,530.88/x - Step 3: Cross multiply
4,149,854.08x = 5,728,227.36 × 2,431,530.88 - Step 4: Simplify right side
4,149,854.08x = 13,928,361,713,500.88 - Step 5: Solve for x
x = 13,928,361,713,500.88/4,149,854.08 - Step 6: Final answer
x = 3,356,349.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.