Finding the Fourth Proportional to 1,989,916.66, 2,984,874.99 and 494,008.66
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Solution
The fourth proportional to 1,989,916.66, 2,984,874.99 and 494,008.66 is: 741,012.99
Step by Step Solution
- Step 1: Write the proportion equation
1,989,916.66 : 2,984,874.99 = 494,008.66 : x - Step 2: Convert to fraction form
1,989,916.66/2,984,874.99 = 494,008.66/x - Step 3: Cross multiply
1,989,916.66x = 2,984,874.99 × 494,008.66 - Step 4: Simplify right side
1,989,916.66x = 1,474,554,094,077.41 - Step 5: Solve for x
x = 1,474,554,094,077.41/1,989,916.66 - Step 6: Final answer
x = 741,012.99
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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.