Finding the Fourth Proportional to 4,481,134.11, 6,721,705.28 and 1,920,687.53
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Solution
The fourth proportional to 4,481,134.11, 6,721,705.28 and 1,920,687.53 is: 2,881,033.05
Step by Step Solution
- Step 1: Write the proportion equation
4,481,134.11 : 6,721,705.28 = 1,920,687.53 : x - Step 2: Convert to fraction form
4,481,134.11/6,721,705.28 = 1,920,687.53/x - Step 3: Cross multiply
4,481,134.11x = 6,721,705.28 × 1,920,687.53 - Step 4: Simplify right side
4,481,134.11x = 12,910,295,482,824.35 - Step 5: Solve for x
x = 12,910,295,482,824.35/4,481,134.11 - Step 6: Final answer
x = 2,881,033.05
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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.