Finding the Fourth Proportional to 1,424,497.87, 2,136,857.46 and 413,636.50
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Solution
The fourth proportional to 1,424,497.87, 2,136,857.46 and 413,636.50 is: 620,486.88
Step by Step Solution
- Step 1: Write the proportion equation
1,424,497.87 : 2,136,857.46 = 413,636.50 : x - Step 2: Convert to fraction form
1,424,497.87/2,136,857.46 = 413,636.50/x - Step 3: Cross multiply
1,424,497.87x = 2,136,857.46 × 413,636.50 - Step 4: Simplify right side
1,424,497.87x = 883,882,240,753.29 - Step 5: Solve for x
x = 883,882,240,753.29/1,424,497.87 - Step 6: Final answer
x = 620,486.88
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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.