Finding the Fourth Proportional to 4,276,638.54, 6,415,915.23 and 1,436,673.24
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Solution
The fourth proportional to 4,276,638.54, 6,415,915.23 and 1,436,673.24 is: 2,155,331.49
Step by Step Solution
- Step 1: Write the proportion equation
4,276,638.54 : 6,415,915.23 = 1,436,673.24 : x - Step 2: Convert to fraction form
4,276,638.54/6,415,915.23 = 1,436,673.24/x - Step 3: Cross multiply
4,276,638.54x = 6,415,915.23 × 1,436,673.24 - Step 4: Simplify right side
4,276,638.54x = 9,217,573,721,049.45 - Step 5: Solve for x
x = 9,217,573,721,049.45/4,276,638.54 - Step 6: Final answer
x = 2,155,331.49
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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.