Finding the Fourth Proportional to 4,274,947.72, 6,411,828.66 and 1,079,876.80
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Solution
The fourth proportional to 4,274,947.72, 6,411,828.66 and 1,079,876.80 is: 1,619,665.42
Step by Step Solution
- Step 1: Write the proportion equation
4,274,947.72 : 6,411,828.66 = 1,079,876.80 : x - Step 2: Convert to fraction form
4,274,947.72/6,411,828.66 = 1,079,876.80/x - Step 3: Cross multiply
4,274,947.72x = 6,411,828.66 × 1,079,876.80 - Step 4: Simplify right side
4,274,947.72x = 6,923,985,015,509.09 - Step 5: Solve for x
x = 6,923,985,015,509.09/4,274,947.72 - Step 6: Final answer
x = 1,619,665.42
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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.