Finding the Fourth Proportional to 4,391,685.12, 6,060,714.88 and 2,431,563.18
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Solution
The fourth proportional to 4,391,685.12, 6,060,714.88 and 2,431,563.18 is: 3,355,662.07
Step by Step Solution
- Step 1: Write the proportion equation
4,391,685.12 : 6,060,714.88 = 2,431,563.18 : x - Step 2: Convert to fraction form
4,391,685.12/6,060,714.88 = 2,431,563.18/x - Step 3: Cross multiply
4,391,685.12x = 6,060,714.88 × 2,431,563.18 - Step 4: Simplify right side
4,391,685.12x = 14,737,011,152,765.03 - Step 5: Solve for x
x = 14,737,011,152,765.03/4,391,685.12 - Step 6: Final answer
x = 3,355,662.07
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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.