Finding the Fourth Proportional to 1,878,224.76, 2,591,880.12 and 1,018,756.44
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Solution
The fourth proportional to 1,878,224.76, 2,591,880.12 and 1,018,756.44 is: 1,405,845.89
Step by Step Solution
- Step 1: Write the proportion equation
1,878,224.76 : 2,591,880.12 = 1,018,756.44 : x - Step 2: Convert to fraction form
1,878,224.76/2,591,880.12 = 1,018,756.44/x - Step 3: Cross multiply
1,878,224.76x = 2,591,880.12 × 1,018,756.44 - Step 4: Simplify right side
1,878,224.76x = 2,640,494,563,957.97 - Step 5: Solve for x
x = 2,640,494,563,957.97/1,878,224.76 - Step 6: Final answer
x = 1,405,845.89
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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.