Finding the Fourth Proportional to 3,673,907.70, 5,510,861.55 and 1,876,193.70
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Solution
The fourth proportional to 3,673,907.70, 5,510,861.55 and 1,876,193.70 is: 2,814,290.55
Step by Step Solution
- Step 1: Write the proportion equation
3,673,907.70 : 5,510,861.55 = 1,876,193.70 : x - Step 2: Convert to fraction form
3,673,907.70/5,510,861.55 = 1,876,193.70/x - Step 3: Cross multiply
3,673,907.70x = 5,510,861.55 × 1,876,193.70 - Step 4: Simplify right side
3,673,907.70x = 10,339,443,721,682.23 - Step 5: Solve for x
x = 10,339,443,721,682.23/3,673,907.70 - Step 6: Final answer
x = 2,814,290.55
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1.5x scale
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.