Finding the Fourth Proportional to 3,449,043.64, 4,759,827.06 and 1,921,151.44
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Solution
The fourth proportional to 3,449,043.64, 4,759,827.06 and 1,921,151.44 is: 2,651,270.78
Step by Step Solution
- Step 1: Write the proportion equation
3,449,043.64 : 4,759,827.06 = 1,921,151.44 : x - Step 2: Convert to fraction form
3,449,043.64/4,759,827.06 = 1,921,151.44/x - Step 3: Cross multiply
3,449,043.64x = 4,759,827.06 × 1,921,151.44 - Step 4: Simplify right side
3,449,043.64x = 9,144,348,610,469.97 - Step 5: Solve for x
x = 9,144,348,610,469.97/3,449,043.64 - Step 6: Final answer
x = 2,651,270.78
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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.