Finding the Fourth Proportional to 4,779,872.01, 7,170,520.41 and 1,705,623.21
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Solution
The fourth proportional to 4,779,872.01, 7,170,520.41 and 1,705,623.21 is: 2,558,689.02
Step by Step Solution
- Step 1: Write the proportion equation
4,779,872.01 : 7,170,520.41 = 1,705,623.21 : x - Step 2: Convert to fraction form
4,779,872.01/7,170,520.41 = 1,705,623.21/x - Step 3: Cross multiply
4,779,872.01x = 7,170,520.41 × 1,705,623.21 - Step 4: Simplify right side
4,779,872.01x = 12,230,206,039,074.72 - Step 5: Solve for x
x = 12,230,206,039,074.72/4,779,872.01 - Step 6: Final answer
x = 2,558,689.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.