Finding the Fourth Proportional to 2,806,915.74, 3,872,592.26 and 2,289,775.68
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Solution
The fourth proportional to 2,806,915.74, 3,872,592.26 and 2,289,775.68 is: 3,159,114.27
Step by Step Solution
- Step 1: Write the proportion equation
2,806,915.74 : 3,872,592.26 = 2,289,775.68 : x - Step 2: Convert to fraction form
2,806,915.74/3,872,592.26 = 2,289,775.68/x - Step 3: Cross multiply
2,806,915.74x = 3,872,592.26 × 2,289,775.68 - Step 4: Simplify right side
2,806,915.74x = 8,867,367,575,504.24 - Step 5: Solve for x
x = 8,867,367,575,504.24/2,806,915.74 - Step 6: Final answer
x = 3,159,114.27
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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.