Finding the Fourth Proportional to 6,146,187.12, 8,482,207.41 and 3,393,404.55
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Solution
The fourth proportional to 6,146,187.12, 8,482,207.41 and 3,393,404.55 is: 4,683,157.32
Step by Step Solution
- Step 1: Write the proportion equation
6,146,187.12 : 8,482,207.41 = 3,393,404.55 : x - Step 2: Convert to fraction form
6,146,187.12/8,482,207.41 = 3,393,404.55/x - Step 3: Cross multiply
6,146,187.12x = 8,482,207.41 × 3,393,404.55 - Step 4: Simplify right side
6,146,187.12x = 28,783,561,219,137.71 - Step 5: Solve for x
x = 28,783,561,219,137.71/6,146,187.12 - Step 6: Final answer
x = 4,683,157.32
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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.