Finding the Fourth Proportional to 2,603,518.48, 3,906,305.64 and 806,542.12
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Solution
The fourth proportional to 2,603,518.48, 3,906,305.64 and 806,542.12 is: 1,210,131.62
Step by Step Solution
- Step 1: Write the proportion equation
2,603,518.48 : 3,906,305.64 = 806,542.12 : x - Step 2: Convert to fraction form
2,603,518.48/3,906,305.64 = 806,542.12/x - Step 3: Cross multiply
2,603,518.48x = 3,906,305.64 × 806,542.12 - Step 4: Simplify right side
2,603,518.48x = 3,150,600,032,253.56 - Step 5: Solve for x
x = 3,150,600,032,253.56/2,603,518.48 - Step 6: Final answer
x = 1,210,131.62
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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.