Finding the Fourth Proportional to 6,321,421.08, 8,723,494.62 and 3,420,748.44
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Solution
The fourth proportional to 6,321,421.08, 8,723,494.62 and 3,420,748.44 is: 4,720,596.88
Step by Step Solution
- Step 1: Write the proportion equation
6,321,421.08 : 8,723,494.62 = 3,420,748.44 : x - Step 2: Convert to fraction form
6,321,421.08/8,723,494.62 = 3,420,748.44/x - Step 3: Cross multiply
6,321,421.08x = 8,723,494.62 × 3,420,748.44 - Step 4: Simplify right side
6,321,421.08x = 29,840,880,612,713.39 - Step 5: Solve for x
x = 29,840,880,612,713.39/6,321,421.08 - Step 6: Final answer
x = 4,720,596.88
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1.5x scale
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.