Finding the Fourth Proportional to 3,823,257.60, 5,735,145.60 and 1,299,103.20
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Solution
The fourth proportional to 3,823,257.60, 5,735,145.60 and 1,299,103.20 is: 1,948,742.87
Step by Step Solution
- Step 1: Write the proportion equation
3,823,257.60 : 5,735,145.60 = 1,299,103.20 : x - Step 2: Convert to fraction form
3,823,257.60/5,735,145.60 = 1,299,103.20/x - Step 3: Cross multiply
3,823,257.60x = 5,735,145.60 × 1,299,103.20 - Step 4: Simplify right side
3,823,257.60x = 7,450,546,001,425.92 - Step 5: Solve for x
x = 7,450,546,001,425.92/3,823,257.60 - Step 6: Final answer
x = 1,948,742.87
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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.