Finding the Fourth Proportional to 3,809,489.25, 5,255,598.57 and 2,177,020.82
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Solution
The fourth proportional to 3,809,489.25, 5,255,598.57 and 2,177,020.82 is: 3,003,433.46
Step by Step Solution
- Step 1: Write the proportion equation
3,809,489.25 : 5,255,598.57 = 2,177,020.82 : x - Step 2: Convert to fraction form
3,809,489.25/5,255,598.57 = 2,177,020.82/x - Step 3: Cross multiply
3,809,489.25x = 5,255,598.57 × 2,177,020.82 - Step 4: Simplify right side
3,809,489.25x = 11,441,547,482,174.23 - Step 5: Solve for x
x = 11,441,547,482,174.23/3,809,489.25 - Step 6: Final answer
x = 3,003,433.46
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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.