Finding the Fourth Proportional to 5,539,416.40, 8,309,124.60 and 5,203,493.20
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Solution
The fourth proportional to 5,539,416.40, 8,309,124.60 and 5,203,493.20 is: 7,805,239.80
Step by Step Solution
- Step 1: Write the proportion equation
5,539,416.40 : 8,309,124.60 = 5,203,493.20 : x - Step 2: Convert to fraction form
5,539,416.40/8,309,124.60 = 5,203,493.20/x - Step 3: Cross multiply
5,539,416.40x = 8,309,124.60 × 5,203,493.20 - Step 4: Simplify right side
5,539,416.40x = 43,236,473,354,052.72 - Step 5: Solve for x
x = 43,236,473,354,052.72/5,539,416.40 - Step 6: Final answer
x = 7,805,239.80
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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.