Finding the Fourth Proportional to 3,216,038.88, 4,438,142.58 and 1,765,828.26
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Solution
The fourth proportional to 3,216,038.88, 4,438,142.58 and 1,765,828.26 is: 2,436,847.90
Step by Step Solution
- Step 1: Write the proportion equation
3,216,038.88 : 4,438,142.58 = 1,765,828.26 : x - Step 2: Convert to fraction form
3,216,038.88/4,438,142.58 = 1,765,828.26/x - Step 3: Cross multiply
3,216,038.88x = 4,438,142.58 × 1,765,828.26 - Step 4: Simplify right side
3,216,038.88x = 7,836,997,589,673.31 - Step 5: Solve for x
x = 7,836,997,589,673.31/3,216,038.88 - Step 6: Final answer
x = 2,436,847.90
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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.