Finding the Fourth Proportional to 6,321,446.08, 8,723,529.12 and 3,420,773.44
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Solution
The fourth proportional to 6,321,446.08, 8,723,529.12 and 3,420,773.44 is: 4,720,631.38
Step by Step Solution
- Step 1: Write the proportion equation
6,321,446.08 : 8,723,529.12 = 3,420,773.44 : x - Step 2: Convert to fraction form
6,321,446.08/8,723,529.12 = 3,420,773.44/x - Step 3: Cross multiply
6,321,446.08x = 8,723,529.12 × 3,420,773.44 - Step 4: Simplify right side
6,321,446.08x = 29,841,216,716,762.57 - Step 5: Solve for x
x = 29,841,216,716,762.57/6,321,446.08 - Step 6: Final answer
x = 4,720,631.38
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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.