Finding the Fourth Proportional to 1,396,635.21, 2,094,911.24 and 385,817.99
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Solution
The fourth proportional to 1,396,635.21, 2,094,911.24 and 385,817.99 is: 578,715.49
Step by Step Solution
- Step 1: Write the proportion equation
1,396,635.21 : 2,094,911.24 = 385,817.99 : x - Step 2: Convert to fraction form
1,396,635.21/2,094,911.24 = 385,817.99/x - Step 3: Cross multiply
1,396,635.21x = 2,094,911.24 × 385,817.99 - Step 4: Simplify right side
1,396,635.21x = 808,254,431,441.56 - Step 5: Solve for x
x = 808,254,431,441.56/1,396,635.21 - Step 6: Final answer
x = 578,715.49
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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.