Finding the Fourth Proportional to 2,809,634.38, 3,877,304.97 and 1,520,474.38
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Solution
The fourth proportional to 2,809,634.38, 3,877,304.97 and 1,520,474.38 is: 2,098,259.80
Step by Step Solution
- Step 1: Write the proportion equation
2,809,634.38 : 3,877,304.97 = 1,520,474.38 : x - Step 2: Convert to fraction form
2,809,634.38/3,877,304.97 = 1,520,474.38/x - Step 3: Cross multiply
2,809,634.38x = 3,877,304.97 × 1,520,474.38 - Step 4: Simplify right side
2,809,634.38x = 5,895,342,870,331.67 - Step 5: Solve for x
x = 5,895,342,870,331.67/2,809,634.38 - Step 6: Final answer
x = 2,098,259.80
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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.