Finding the Fourth Proportional to 2,540,503.71, 3,811,821.12 and 1,581,761.79
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Solution
The fourth proportional to 2,540,503.71, 3,811,821.12 and 1,581,761.79 is: 2,373,306.12
Step by Step Solution
- Step 1: Write the proportion equation
2,540,503.71 : 3,811,821.12 = 1,581,761.79 : x - Step 2: Convert to fraction form
2,540,503.71/3,811,821.12 = 1,581,761.79/x - Step 3: Cross multiply
2,540,503.71x = 3,811,821.12 × 1,581,761.79 - Step 4: Simplify right side
2,540,503.71x = 6,029,392,997,931.01 - Step 5: Solve for x
x = 6,029,392,997,931.01/2,540,503.71 - Step 6: Final answer
x = 2,373,306.12
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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.