Finding the Fourth Proportional to 2,016,915.48, 2,783,481.03 and 1,232,317.31
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Solution
The fourth proportional to 2,016,915.48, 2,783,481.03 and 1,232,317.31 is: 1,700,681.99
Step by Step Solution
- Step 1: Write the proportion equation
2,016,915.48 : 2,783,481.03 = 1,232,317.31 : x - Step 2: Convert to fraction form
2,016,915.48/2,783,481.03 = 1,232,317.31/x - Step 3: Cross multiply
2,016,915.48x = 2,783,481.03 × 1,232,317.31 - Step 4: Simplify right side
2,016,915.48x = 3,430,131,841,408.22 - Step 5: Solve for x
x = 3,430,131,841,408.22/2,016,915.48 - Step 6: Final answer
x = 1,700,681.99
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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.