Finding the Fourth Proportional to 1,592,639.76, 2,197,845.90 and 867,485.24
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Solution
The fourth proportional to 1,592,639.76, 2,197,845.90 and 867,485.24 is: 1,197,131.28
Step by Step Solution
- Step 1: Write the proportion equation
1,592,639.76 : 2,197,845.90 = 867,485.24 : x - Step 2: Convert to fraction form
1,592,639.76/2,197,845.90 = 867,485.24/x - Step 3: Cross multiply
1,592,639.76x = 2,197,845.90 × 867,485.24 - Step 4: Simplify right side
1,592,639.76x = 1,906,598,878,044.52 - Step 5: Solve for x
x = 1,906,598,878,044.52/1,592,639.76 - Step 6: Final answer
x = 1,197,131.28
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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.