Finding the Fourth Proportional to 2,207,548.26, 3,045,884.46 and 1,289,256.12
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Solution
The fourth proportional to 2,207,548.26, 3,045,884.46 and 1,289,256.12 is: 1,778,862.66
Step by Step Solution
- Step 1: Write the proportion equation
2,207,548.26 : 3,045,884.46 = 1,289,256.12 : x - Step 2: Convert to fraction form
2,207,548.26/3,045,884.46 = 1,289,256.12/x - Step 3: Cross multiply
2,207,548.26x = 3,045,884.46 × 1,289,256.12 - Step 4: Simplify right side
2,207,548.26x = 3,926,925,180,867.90 - Step 5: Solve for x
x = 3,926,925,180,867.90/2,207,548.26 - Step 6: Final answer
x = 1,778,862.66
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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.