Finding the Fourth Proportional to 3,612,958.56, 5,419,440.27 and 917,485.92
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Solution
The fourth proportional to 3,612,958.56, 5,419,440.27 and 917,485.92 is: 1,376,229.50
Step by Step Solution
- Step 1: Write the proportion equation
3,612,958.56 : 5,419,440.27 = 917,485.92 : x - Step 2: Convert to fraction form
3,612,958.56/5,419,440.27 = 917,485.92/x - Step 3: Cross multiply
3,612,958.56x = 5,419,440.27 × 917,485.92 - Step 4: Simplify right side
3,612,958.56x = 4,972,260,142,006.00 - Step 5: Solve for x
x = 4,972,260,142,006.00/3,612,958.56 - Step 6: Final answer
x = 1,376,229.50
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1.5x scale
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.