Finding the Fourth Proportional to 3,292,603.92, 4,542,901.74 and 2,260,427.40
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Solution
The fourth proportional to 3,292,603.92, 4,542,901.74 and 2,260,427.40 is: 3,118,777.67
Step by Step Solution
- Step 1: Write the proportion equation
3,292,603.92 : 4,542,901.74 = 2,260,427.40 : x - Step 2: Convert to fraction form
3,292,603.92/4,542,901.74 = 2,260,427.40/x - Step 3: Cross multiply
3,292,603.92x = 4,542,901.74 × 2,260,427.40 - Step 4: Simplify right side
3,292,603.92x = 10,268,899,568,603.68 - Step 5: Solve for x
x = 10,268,899,568,603.68/3,292,603.92 - Step 6: Final answer
x = 3,118,777.67
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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.