Finding the Fourth Proportional to 3,797,451.42, 5,239,446.63 and 2,165,263.62
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Solution
The fourth proportional to 3,797,451.42, 5,239,446.63 and 2,165,263.62 is: 2,987,472.89
Step by Step Solution
- Step 1: Write the proportion equation
3,797,451.42 : 5,239,446.63 = 2,165,263.62 : x - Step 2: Convert to fraction form
3,797,451.42/5,239,446.63 = 2,165,263.62/x - Step 3: Cross multiply
3,797,451.42x = 5,239,446.63 × 2,165,263.62 - Step 4: Simplify right side
3,797,451.42x = 11,344,783,176,870.60 - Step 5: Solve for x
x = 11,344,783,176,870.60/3,797,451.42 - Step 6: Final answer
x = 2,987,472.89
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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.