Finding the Fourth Proportional to 2,179,524.68, 3,007,696.96 and 1,261,792.72
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Solution
The fourth proportional to 2,179,524.68, 3,007,696.96 and 1,261,792.72 is: 1,741,246.69
Step by Step Solution
- Step 1: Write the proportion equation
2,179,524.68 : 3,007,696.96 = 1,261,792.72 : x - Step 2: Convert to fraction form
2,179,524.68/3,007,696.96 = 1,261,792.72/x - Step 3: Cross multiply
2,179,524.68x = 3,007,696.96 × 1,261,792.72 - Step 4: Simplify right side
2,179,524.68x = 3,795,090,128,094.13 - Step 5: Solve for x
x = 3,795,090,128,094.13/2,179,524.68 - Step 6: Final answer
x = 1,741,246.69
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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.