Finding the Fourth Proportional to 2,938,548.26, 4,054,974.20 and 1,649,139.54
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Solution
The fourth proportional to 2,938,548.26, 4,054,974.20 and 1,649,139.54 is: 2,275,687.75
Step by Step Solution
- Step 1: Write the proportion equation
2,938,548.26 : 4,054,974.20 = 1,649,139.54 : x - Step 2: Convert to fraction form
2,938,548.26/4,054,974.20 = 1,649,139.54/x - Step 3: Cross multiply
2,938,548.26x = 4,054,974.20 × 1,649,139.54 - Step 4: Simplify right side
2,938,548.26x = 6,687,218,286,899.87 - Step 5: Solve for x
x = 6,687,218,286,899.87/2,938,548.26 - Step 6: Final answer
x = 2,275,687.75
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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.