Finding the Fourth Proportional to 1,652,092.80, 2,478,139.20 and 1,589,107.20
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Solution
The fourth proportional to 1,652,092.80, 2,478,139.20 and 1,589,107.20 is: 2,383,660.80
Step by Step Solution
- Step 1: Write the proportion equation
1,652,092.80 : 2,478,139.20 = 1,589,107.20 : x - Step 2: Convert to fraction form
1,652,092.80/2,478,139.20 = 1,589,107.20/x - Step 3: Cross multiply
1,652,092.80x = 2,478,139.20 × 1,589,107.20 - Step 4: Simplify right side
1,652,092.80x = 3,938,028,845,322.24 - Step 5: Solve for x
x = 3,938,028,845,322.24/1,652,092.80 - Step 6: Final answer
x = 2,383,660.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.