Finding the Fourth Proportional to 2,809,634.82, 3,877,305.66 and 1,520,474.88
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Solution
The fourth proportional to 2,809,634.82, 3,877,305.66 and 1,520,474.88 is: 2,098,260.53
Step by Step Solution
- Step 1: Write the proportion equation
2,809,634.82 : 3,877,305.66 = 1,520,474.88 : x - Step 2: Convert to fraction form
2,809,634.82/3,877,305.66 = 1,520,474.88/x - Step 3: Cross multiply
2,809,634.82x = 3,877,305.66 × 1,520,474.88 - Step 4: Simplify right side
2,809,634.82x = 5,895,345,858,111.82 - Step 5: Solve for x
x = 5,895,345,858,111.82/2,809,634.82 - Step 6: Final answer
x = 2,098,260.53
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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.