Finding the Fourth Proportional to 1,936,159.97, 2,671,696.13 and 1,076,581.49
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Solution
The fourth proportional to 1,936,159.97, 2,671,696.13 and 1,076,581.49 is: 1,485,568.67
Step by Step Solution
- Step 1: Write the proportion equation
1,936,159.97 : 2,671,696.13 = 1,076,581.49 : x - Step 2: Convert to fraction form
1,936,159.97/2,671,696.13 = 1,076,581.49/x - Step 3: Cross multiply
1,936,159.97x = 2,671,696.13 × 1,076,581.49 - Step 4: Simplify right side
1,936,159.97x = 2,876,298,595,079.73 - Step 5: Solve for x
x = 2,876,298,595,079.73/1,936,159.97 - Step 6: Final answer
x = 1,485,568.67
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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.