Finding the Fourth Proportional to 2,915,710.26, 4,024,480.37 and 1,692,409.92
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Solution
The fourth proportional to 2,915,710.26, 4,024,480.37 and 1,692,409.92 is: 2,335,990.17
Step by Step Solution
- Step 1: Write the proportion equation
2,915,710.26 : 4,024,480.37 = 1,692,409.92 : x - Step 2: Convert to fraction form
2,915,710.26/4,024,480.37 = 1,692,409.92/x - Step 3: Cross multiply
2,915,710.26x = 4,024,480.37 × 1,692,409.92 - Step 4: Simplify right side
2,915,710.26x = 6,811,070,492,571.22 - Step 5: Solve for x
x = 6,811,070,492,571.22/2,915,710.26 - Step 6: Final answer
x = 2,335,990.17
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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.