Finding the Fourth Proportional to 3,603,584.63, 4,972,947.11 and 1,971,991.91
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Solution
The fourth proportional to 3,603,584.63, 4,972,947.11 and 1,971,991.91 is: 2,721,349.01
Step by Step Solution
- Step 1: Write the proportion equation
3,603,584.63 : 4,972,947.11 = 1,971,991.91 : x - Step 2: Convert to fraction form
3,603,584.63/4,972,947.11 = 1,971,991.91/x - Step 3: Cross multiply
3,603,584.63x = 4,972,947.11 × 1,971,991.91 - Step 4: Simplify right side
3,603,584.63x = 9,806,611,469,777.88 - Step 5: Solve for x
x = 9,806,611,469,777.88/3,603,584.63 - Step 6: Final answer
x = 2,721,349.01
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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.