Finding the Fourth Proportional to 4,192,136.60, 6,276,395.10 and 3,766,983.80
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Solution
The fourth proportional to 4,192,136.60, 6,276,395.10 and 3,766,983.80 is: 5,639,863.61
Step by Step Solution
- Step 1: Write the proportion equation
4,192,136.60 : 6,276,395.10 = 3,766,983.80 : x - Step 2: Convert to fraction form
4,192,136.60/6,276,395.10 = 3,766,983.80/x - Step 3: Cross multiply
4,192,136.60x = 6,276,395.10 × 3,766,983.80 - Step 4: Simplify right side
4,192,136.60x = 23,643,078,664,099.38 - Step 5: Solve for x
x = 23,643,078,664,099.38/4,192,136.60 - Step 6: Final answer
x = 5,639,863.61
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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.