Finding the Fourth Proportional to 4,306,331.88, 6,460,760.81 and 1,273,777.54
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Solution
The fourth proportional to 4,306,331.88, 6,460,760.81 and 1,273,777.54 is: 1,911,039.89
Step by Step Solution
- Step 1: Write the proportion equation
4,306,331.88 : 6,460,760.81 = 1,273,777.54 : x - Step 2: Convert to fraction form
4,306,331.88/6,460,760.81 = 1,273,777.54/x - Step 3: Cross multiply
4,306,331.88x = 6,460,760.81 × 1,273,777.54 - Step 4: Simplify right side
4,306,331.88x = 8,229,571,998,122.75 - Step 5: Solve for x
x = 8,229,571,998,122.75/4,306,331.88 - Step 6: Final answer
x = 1,911,039.89
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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.