Finding the Fourth Proportional to 3,724,915.92, 5,587,512.12 and 1,200,607.44
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Solution
The fourth proportional to 3,724,915.92, 5,587,512.12 and 1,200,607.44 is: 1,800,955.72
Step by Step Solution
- Step 1: Write the proportion equation
3,724,915.92 : 5,587,512.12 = 1,200,607.44 : x - Step 2: Convert to fraction form
3,724,915.92/5,587,512.12 = 1,200,607.44/x - Step 3: Cross multiply
3,724,915.92x = 5,587,512.12 × 1,200,607.44 - Step 4: Simplify right side
3,724,915.92x = 6,708,408,622,362.17 - Step 5: Solve for x
x = 6,708,408,622,362.17/3,724,915.92 - Step 6: Final answer
x = 1,800,955.72
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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.