Finding the Fourth Proportional to 2,812,847.92, 3,880,942.63 and 1,766,381.99
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Solution
The fourth proportional to 2,812,847.92, 3,880,942.63 and 1,766,381.99 is: 2,437,112.61
Step by Step Solution
- Step 1: Write the proportion equation
2,812,847.92 : 3,880,942.63 = 1,766,381.99 : x - Step 2: Convert to fraction form
2,812,847.92/3,880,942.63 = 1,766,381.99/x - Step 3: Cross multiply
2,812,847.92x = 3,880,942.63 × 1,766,381.99 - Step 4: Simplify right side
2,812,847.92x = 6,855,227,142,034.57 - Step 5: Solve for x
x = 6,855,227,142,034.57/2,812,847.92 - Step 6: Final answer
x = 2,437,112.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.