Finding the Fourth Proportional to 2,961,323.52, 4,086,628.16 and 1,603,197.12
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Solution
The fourth proportional to 2,961,323.52, 4,086,628.16 and 1,603,197.12 is: 2,212,412.95
Step by Step Solution
- Step 1: Write the proportion equation
2,961,323.52 : 4,086,628.16 = 1,603,197.12 : x - Step 2: Convert to fraction form
2,961,323.52/4,086,628.16 = 1,603,197.12/x - Step 3: Cross multiply
2,961,323.52x = 4,086,628.16 × 1,603,197.12 - Step 4: Simplify right side
2,961,323.52x = 6,551,670,496,622.90 - Step 5: Solve for x
x = 6,551,670,496,622.90/2,961,323.52 - Step 6: Final answer
x = 2,212,412.95
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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.