Finding the Fourth Proportional to 1,471,880.21, 2,207,820.48 and 461,080.93
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Solution
The fourth proportional to 1,471,880.21, 2,207,820.48 and 461,080.93 is: 691,621.45
Step by Step Solution
- Step 1: Write the proportion equation
1,471,880.21 : 2,207,820.48 = 461,080.93 : x - Step 2: Convert to fraction form
1,471,880.21/2,207,820.48 = 461,080.93/x - Step 3: Cross multiply
1,471,880.21x = 2,207,820.48 × 461,080.93 - Step 4: Simplify right side
1,471,880.21x = 1,017,983,924,077.62 - Step 5: Solve for x
x = 1,017,983,924,077.62/1,471,880.21 - Step 6: Final answer
x = 691,621.45
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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.