Finding the Fourth Proportional to 1,397,710.24, 2,096,553.84 and 400,439.20
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Solution
The fourth proportional to 1,397,710.24, 2,096,553.84 and 400,439.20 is: 600,655.50
Step by Step Solution
- Step 1: Write the proportion equation
1,397,710.24 : 2,096,553.84 = 400,439.20 : x - Step 2: Convert to fraction form
1,397,710.24/2,096,553.84 = 400,439.20/x - Step 3: Cross multiply
1,397,710.24x = 2,096,553.84 × 400,439.20 - Step 4: Simplify right side
1,397,710.24x = 839,542,342,446.53 - Step 5: Solve for x
x = 839,542,342,446.53/1,397,710.24 - Step 6: Final answer
x = 600,655.50
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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.