Finding the Fourth Proportional to 6,118,621.44, 8,443,704.60 and 3,402,309.12
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Solution
The fourth proportional to 6,118,621.44, 8,443,704.60 and 3,402,309.12 is: 4,695,190.49
Step by Step Solution
- Step 1: Write the proportion equation
6,118,621.44 : 8,443,704.60 = 3,402,309.12 : x - Step 2: Convert to fraction form
6,118,621.44/8,443,704.60 = 3,402,309.12/x - Step 3: Cross multiply
6,118,621.44x = 8,443,704.60 × 3,402,309.12 - Step 4: Simplify right side
6,118,621.44x = 28,728,093,167,165.95 - Step 5: Solve for x
x = 28,728,093,167,165.95/6,118,621.44 - Step 6: Final answer
x = 4,695,190.49
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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.