Finding the Fourth Proportional to 5,521,761.84, 7,618,860 and 3,483,390
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Solution
The fourth proportional to 5,521,761.84, 7,618,860 and 3,483,390 is: 4,806,339.26
Step by Step Solution
- Step 1: Write the proportion equation
5,521,761.84 : 7,618,860 = 3,483,390 : x - Step 2: Convert to fraction form
5,521,761.84/7,618,860 = 3,483,390/x - Step 3: Cross multiply
5,521,761.84x = 7,618,860 × 3,483,390 - Step 4: Simplify right side
5,521,761.84x = 26,539,460,735,400 - Step 5: Solve for x
x = 26,539,460,735,400/5,521,761.84 - Step 6: Final answer
x = 4,806,339.26
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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.