Finding the Fourth Proportional to 4,661,871.92, 6,993,889.64 and 1,466,915.05
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Solution
The fourth proportional to 4,661,871.92, 6,993,889.64 and 1,466,915.05 is: 2,200,712.96
Step by Step Solution
- Step 1: Write the proportion equation
4,661,871.92 : 6,993,889.64 = 1,466,915.05 : x - Step 2: Convert to fraction form
4,661,871.92/6,993,889.64 = 1,466,915.05/x - Step 3: Cross multiply
4,661,871.92x = 6,993,889.64 × 1,466,915.05 - Step 4: Simplify right side
4,661,871.92x = 10,259,441,970,955.08 - Step 5: Solve for x
x = 10,259,441,970,955.08/4,661,871.92 - Step 6: Final answer
x = 2,200,712.96
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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.