Finding the Fourth Proportional to 3,631,487.58, 5,451,364.80 and 1,836,397.98
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Solution
The fourth proportional to 3,631,487.58, 5,451,364.80 and 1,836,397.98 is: 2,756,687.19
Step by Step Solution
- Step 1: Write the proportion equation
3,631,487.58 : 5,451,364.80 = 1,836,397.98 : x - Step 2: Convert to fraction form
3,631,487.58/5,451,364.80 = 1,836,397.98/x - Step 3: Cross multiply
3,631,487.58x = 5,451,364.80 × 1,836,397.98 - Step 4: Simplify right side
3,631,487.58x = 10,010,875,306,963.10 - Step 5: Solve for x
x = 10,010,875,306,963.10/3,631,487.58 - Step 6: Final answer
x = 2,756,687.19
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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.