Finding the Fourth Proportional to 2,408,788.92, 3,324,189.74 and 1,321,103.80
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Solution
The fourth proportional to 2,408,788.92, 3,324,189.74 and 1,321,103.80 is: 1,823,156.72
Step by Step Solution
- Step 1: Write the proportion equation
2,408,788.92 : 3,324,189.74 = 1,321,103.80 : x - Step 2: Convert to fraction form
2,408,788.92/3,324,189.74 = 1,321,103.80/x - Step 3: Cross multiply
2,408,788.92x = 3,324,189.74 × 1,321,103.80 - Step 4: Simplify right side
2,408,788.92x = 4,391,599,697,435.01 - Step 5: Solve for x
x = 4,391,599,697,435.01/2,408,788.92 - Step 6: Final answer
x = 1,823,156.72
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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.