Finding the Fourth Proportional to 3,668,472.10, 5,504,020.35 and 1,539,208.90
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Solution
The fourth proportional to 3,668,472.10, 5,504,020.35 and 1,539,208.90 is: 2,309,363.92
Step by Step Solution
- Step 1: Write the proportion equation
3,668,472.10 : 5,504,020.35 = 1,539,208.90 : x - Step 2: Convert to fraction form
3,668,472.10/5,504,020.35 = 1,539,208.90/x - Step 3: Cross multiply
3,668,472.10x = 5,504,020.35 × 1,539,208.90 - Step 4: Simplify right side
3,668,472.10x = 8,471,837,108,501.11 - Step 5: Solve for x
x = 8,471,837,108,501.11/3,668,472.10 - Step 6: Final answer
x = 2,309,363.92
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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.