Finding the Fourth Proportional to 3,240,444.57, 4,861,367.48 and 1,723,907.09
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Solution
The fourth proportional to 3,240,444.57, 4,861,367.48 and 1,723,907.09 is: 2,586,233.36
Step by Step Solution
- Step 1: Write the proportion equation
3,240,444.57 : 4,861,367.48 = 1,723,907.09 : x - Step 2: Convert to fraction form
3,240,444.57/4,861,367.48 = 1,723,907.09/x - Step 3: Cross multiply
3,240,444.57x = 4,861,367.48 × 1,723,907.09 - Step 4: Simplify right side
3,240,444.57x = 8,380,545,832,941.06 - Step 5: Solve for x
x = 8,380,545,832,941.06/3,240,444.57 - Step 6: Final answer
x = 2,586,233.36
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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.