Finding the Fourth Proportional to 1,207,847.40, 1,810,619.10 and 449,485.80
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Solution
The fourth proportional to 1,207,847.40, 1,810,619.10 and 449,485.80 is: 673,800.00
Step by Step Solution
- Step 1: Write the proportion equation
1,207,847.40 : 1,810,619.10 = 449,485.80 : x - Step 2: Convert to fraction form
1,207,847.40/1,810,619.10 = 449,485.80/x - Step 3: Cross multiply
1,207,847.40x = 1,810,619.10 × 449,485.80 - Step 4: Simplify right side
1,207,847.40x = 813,847,574,658.78 - Step 5: Solve for x
x = 813,847,574,658.78/1,207,847.40 - Step 6: Final answer
x = 673,800.00
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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.