Finding the Fourth Proportional to 3,923,112.80, 5,414,349.26 and 2,291,927.92
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Solution
The fourth proportional to 3,923,112.80, 5,414,349.26 and 2,291,927.92 is: 3,163,125.52
Step by Step Solution
- Step 1: Write the proportion equation
3,923,112.80 : 5,414,349.26 = 2,291,927.92 : x - Step 2: Convert to fraction form
3,923,112.80/5,414,349.26 = 2,291,927.92/x - Step 3: Cross multiply
3,923,112.80x = 5,414,349.26 × 2,291,927.92 - Step 4: Simplify right side
3,923,112.80x = 12,409,298,229,819.29 - Step 5: Solve for x
x = 12,409,298,229,819.29/3,923,112.80 - Step 6: Final answer
x = 3,163,125.52
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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.