Finding the Fourth Proportional to 1,973,431.80, 2,960,147.70 and 477,523.80
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Solution
The fourth proportional to 1,973,431.80, 2,960,147.70 and 477,523.80 is: 716,285.70
Step by Step Solution
- Step 1: Write the proportion equation
1,973,431.80 : 2,960,147.70 = 477,523.80 : x - Step 2: Convert to fraction form
1,973,431.80/2,960,147.70 = 477,523.80/x - Step 3: Cross multiply
1,973,431.80x = 2,960,147.70 × 477,523.80 - Step 4: Simplify right side
1,973,431.80x = 1,413,540,978,265.26 - Step 5: Solve for x
x = 1,413,540,978,265.26/1,973,431.80 - Step 6: Final answer
x = 716,285.70
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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.