Finding the Fourth Proportional to 1,816,523.19, 2,723,838.89 and 678,349.49
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Solution
The fourth proportional to 1,816,523.19, 2,723,838.89 and 678,349.49 is: 1,017,171.00
Step by Step Solution
- Step 1: Write the proportion equation
1,816,523.19 : 2,723,838.89 = 678,349.49 : x - Step 2: Convert to fraction form
1,816,523.19/2,723,838.89 = 678,349.49/x - Step 3: Cross multiply
1,816,523.19x = 2,723,838.89 × 678,349.49 - Step 4: Simplify right side
1,816,523.19x = 1,847,714,704,862.72 - Step 5: Solve for x
x = 1,847,714,704,862.72/1,816,523.19 - Step 6: Final answer
x = 1,017,171.00
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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.