Finding the Fourth Proportional to 1,582,905.75, 2,362,896.97 and 1,391,373.75
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Solution
The fourth proportional to 1,582,905.75, 2,362,896.97 and 1,391,373.75 is: 2,076,985.84
Step by Step Solution
- Step 1: Write the proportion equation
1,582,905.75 : 2,362,896.97 = 1,391,373.75 : x - Step 2: Convert to fraction form
1,582,905.75/2,362,896.97 = 1,391,373.75/x - Step 3: Cross multiply
1,582,905.75x = 2,362,896.97 × 1,391,373.75 - Step 4: Simplify right side
1,582,905.75x = 3,287,672,823,394.97 - Step 5: Solve for x
x = 3,287,672,823,394.97/1,582,905.75 - Step 6: Final answer
x = 2,076,985.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.