Finding the Fourth Proportional to 1,982,365.84, 2,735,684.04 and 1,076,954.32
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Solution
The fourth proportional to 1,982,365.84, 2,735,684.04 and 1,076,954.32 is: 1,486,207.38
Step by Step Solution
- Step 1: Write the proportion equation
1,982,365.84 : 2,735,684.04 = 1,076,954.32 : x - Step 2: Convert to fraction form
1,982,365.84/2,735,684.04 = 1,076,954.32/x - Step 3: Cross multiply
1,982,365.84x = 2,735,684.04 × 1,076,954.32 - Step 4: Simplify right side
1,982,365.84x = 2,946,206,745,033.05 - Step 5: Solve for x
x = 2,946,206,745,033.05/1,982,365.84 - Step 6: Final answer
x = 1,486,207.38
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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.