Finding the Fourth Proportional to 6,189,748.88, 8,542,467.28 and 3,473,505.68
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Solution
The fourth proportional to 6,189,748.88, 8,542,467.28 and 3,473,505.68 is: 4,793,782.30
Step by Step Solution
- Step 1: Write the proportion equation
6,189,748.88 : 8,542,467.28 = 3,473,505.68 : x - Step 2: Convert to fraction form
6,189,748.88/8,542,467.28 = 3,473,505.68/x - Step 3: Cross multiply
6,189,748.88x = 8,542,467.28 × 3,473,505.68 - Step 4: Simplify right side
6,189,748.88x = 29,672,308,618,294.15 - Step 5: Solve for x
x = 29,672,308,618,294.15/6,189,748.88 - Step 6: Final answer
x = 4,793,782.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.