Finding the Fourth Proportional to 3,809,449.16, 5,256,766.91 and 2,177,925.29
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Solution
The fourth proportional to 3,809,449.16, 5,256,766.91 and 2,177,925.29 is: 3,005,380.86
Step by Step Solution
- Step 1: Write the proportion equation
3,809,449.16 : 5,256,766.91 = 2,177,925.29 : x - Step 2: Convert to fraction form
3,809,449.16/5,256,766.91 = 2,177,925.29/x - Step 3: Cross multiply
3,809,449.16x = 5,256,766.91 × 2,177,925.29 - Step 4: Simplify right side
3,809,449.16x = 11,448,845,586,034.53 - Step 5: Solve for x
x = 11,448,845,586,034.53/3,809,449.16 - Step 6: Final answer
x = 3,005,380.86
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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.