Finding the Fourth Proportional to 1,386,097.25, 2,076,197.97 and 665,376.49
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Solution
The fourth proportional to 1,386,097.25, 2,076,197.97 and 665,376.49 is: 996,649.64
Step by Step Solution
- Step 1: Write the proportion equation
1,386,097.25 : 2,076,197.97 = 665,376.49 : x - Step 2: Convert to fraction form
1,386,097.25/2,076,197.97 = 665,376.49/x - Step 3: Cross multiply
1,386,097.25x = 2,076,197.97 × 665,376.49 - Step 4: Simplify right side
1,386,097.25x = 1,381,453,322,914.13 - Step 5: Solve for x
x = 1,381,453,322,914.13/1,386,097.25 - Step 6: Final answer
x = 996,649.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.