Finding the Fourth Proportional to 5,655,169.40, 8,482,754.10 and 3,387,687.80
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Solution
The fourth proportional to 5,655,169.40, 8,482,754.10 and 3,387,687.80 is: 5,081,531.70
Step by Step Solution
- Step 1: Write the proportion equation
5,655,169.40 : 8,482,754.10 = 3,387,687.80 : x - Step 2: Convert to fraction form
5,655,169.40/8,482,754.10 = 3,387,687.80/x - Step 3: Cross multiply
5,655,169.40x = 8,482,754.10 × 3,387,687.80 - Step 4: Simplify right side
5,655,169.40x = 28,736,922,574,969.98 - Step 5: Solve for x
x = 28,736,922,574,969.98/5,655,169.40 - Step 6: Final answer
x = 5,081,531.70
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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.