Finding the Fourth Proportional to 1,449,635.70, 2,174,453.55 and 452,234.10
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Solution
The fourth proportional to 1,449,635.70, 2,174,453.55 and 452,234.10 is: 678,351.15
Step by Step Solution
- Step 1: Write the proportion equation
1,449,635.70 : 2,174,453.55 = 452,234.10 : x - Step 2: Convert to fraction form
1,449,635.70/2,174,453.55 = 452,234.10/x - Step 3: Cross multiply
1,449,635.70x = 2,174,453.55 × 452,234.10 - Step 4: Simplify right side
1,449,635.70x = 983,362,044,176.06 - Step 5: Solve for x
x = 983,362,044,176.06/1,449,635.70 - Step 6: Final answer
x = 678,351.15
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1.5x scale
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.