Finding the Fourth Proportional to 1,582,209.97, 2,183,460.24 and 857,057.70
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Solution
The fourth proportional to 1,582,209.97, 2,183,460.24 and 857,057.70 is: 1,182,745.30
Step by Step Solution
- Step 1: Write the proportion equation
1,582,209.97 : 2,183,460.24 = 857,057.70 : x - Step 2: Convert to fraction form
1,582,209.97/2,183,460.24 = 857,057.70/x - Step 3: Cross multiply
1,582,209.97x = 2,183,460.24 × 857,057.70 - Step 4: Simplify right side
1,582,209.97x = 1,871,351,411,335.85 - Step 5: Solve for x
x = 1,871,351,411,335.85/1,582,209.97 - Step 6: Final answer
x = 1,182,745.30
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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.