Finding the Fourth Proportional to 3,334,042.49, 4,600,971.92 and 1,806,153.26
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Solution
The fourth proportional to 3,334,042.49, 4,600,971.92 and 1,806,153.26 is: 2,492,487.86
Step by Step Solution
- Step 1: Write the proportion equation
3,334,042.49 : 4,600,971.92 = 1,806,153.26 : x - Step 2: Convert to fraction form
3,334,042.49/4,600,971.92 = 1,806,153.26/x - Step 3: Cross multiply
3,334,042.49x = 4,600,971.92 × 1,806,153.26 - Step 4: Simplify right side
3,334,042.49x = 8,310,060,413,986.98 - Step 5: Solve for x
x = 8,310,060,413,986.98/3,334,042.49 - Step 6: Final answer
x = 2,492,487.86
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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.