Finding the Fourth Proportional to 3,523,555.21, 5,286,120.13 and 1,127,543.62
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Solution
The fourth proportional to 3,523,555.21, 5,286,120.13 and 1,127,543.62 is: 1,691,567.37
Step by Step Solution
- Step 1: Write the proportion equation
3,523,555.21 : 5,286,120.13 = 1,127,543.62 : x - Step 2: Convert to fraction form
3,523,555.21/5,286,120.13 = 1,127,543.62/x - Step 3: Cross multiply
3,523,555.21x = 5,286,120.13 × 1,127,543.62 - Step 4: Simplify right side
3,523,555.21x = 5,960,330,997,885.61 - Step 5: Solve for x
x = 5,960,330,997,885.61/3,523,555.21 - Step 6: Final answer
x = 1,691,567.37
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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.