Finding the Fourth Proportional to 4,252,723.05, 6,379,107.66 and 1,057,849.32
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Solution
The fourth proportional to 4,252,723.05, 6,379,107.66 and 1,057,849.32 is: 1,586,779.72
Step by Step Solution
- Step 1: Write the proportion equation
4,252,723.05 : 6,379,107.66 = 1,057,849.32 : x - Step 2: Convert to fraction form
4,252,723.05/6,379,107.66 = 1,057,849.32/x - Step 3: Cross multiply
4,252,723.05x = 6,379,107.66 × 1,057,849.32 - Step 4: Simplify right side
4,252,723.05x = 6,748,134,700,337.79 - Step 5: Solve for x
x = 6,748,134,700,337.79/4,252,723.05 - Step 6: Final answer
x = 1,586,779.72
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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.