Finding the Fourth Proportional to 3,603,542.51, 4,972,889.21 and 1,971,950.29
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Solution
The fourth proportional to 3,603,542.51, 4,972,889.21 and 1,971,950.29 is: 2,721,291.69
Step by Step Solution
- Step 1: Write the proportion equation
3,603,542.51 : 4,972,889.21 = 1,971,950.29 : x - Step 2: Convert to fraction form
3,603,542.51/4,972,889.21 = 1,971,950.29/x - Step 3: Cross multiply
3,603,542.51x = 4,972,889.21 × 1,971,950.29 - Step 4: Simplify right side
3,603,542.51x = 9,806,290,297,505.40 - Step 5: Solve for x
x = 9,806,290,297,505.40/3,603,542.51 - Step 6: Final answer
x = 2,721,291.69
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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.