Finding the Fourth Proportional to 1,512,213.80, 2,268,536.70 and 447,117.80
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Solution
The fourth proportional to 1,512,213.80, 2,268,536.70 and 447,117.80 is: 670,740.56
Step by Step Solution
- Step 1: Write the proportion equation
1,512,213.80 : 2,268,536.70 = 447,117.80 : x - Step 2: Convert to fraction form
1,512,213.80/2,268,536.70 = 447,117.80/x - Step 3: Cross multiply
1,512,213.80x = 2,268,536.70 × 447,117.80 - Step 4: Simplify right side
1,512,213.80x = 1,014,303,138,523.26 - Step 5: Solve for x
x = 1,014,303,138,523.26/1,512,213.80 - Step 6: Final answer
x = 670,740.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.