Finding the Fourth Proportional to 1,982,364.75, 2,735,665.79 and 1,076,946.75
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Solution
The fourth proportional to 1,982,364.75, 2,735,665.79 and 1,076,946.75 is: 1,486,187.84
Step by Step Solution
- Step 1: Write the proportion equation
1,982,364.75 : 2,735,665.79 = 1,076,946.75 : x - Step 2: Convert to fraction form
1,982,364.75/2,735,665.79 = 1,076,946.75/x - Step 3: Cross multiply
1,982,364.75x = 2,735,665.79 × 1,076,946.75 - Step 4: Simplify right side
1,982,364.75x = 2,946,166,376,241.95 - Step 5: Solve for x
x = 2,946,166,376,241.95/1,982,364.75 - Step 6: Final answer
x = 1,486,187.84
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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.