Finding the Fourth Proportional to 1,457,713.20, 2,011,647.46 and 813,175.14
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Solution
The fourth proportional to 1,457,713.20, 2,011,647.46 and 813,175.14 is: 1,122,183.50
Step by Step Solution
- Step 1: Write the proportion equation
1,457,713.20 : 2,011,647.46 = 813,175.14 : x - Step 2: Convert to fraction form
1,457,713.20/2,011,647.46 = 813,175.14/x - Step 3: Cross multiply
1,457,713.20x = 2,011,647.46 × 813,175.14 - Step 4: Simplify right side
1,457,713.20x = 1,635,821,702,883.21 - Step 5: Solve for x
x = 1,635,821,702,883.21/1,457,713.20 - Step 6: Final answer
x = 1,122,183.50
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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.