Finding the Fourth Proportional to 5,955,949.30, 8,218,542.09 and 3,508,400.98
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Solution
The fourth proportional to 5,955,949.30, 8,218,542.09 and 3,508,400.98 is: 4,841,199.89
Step by Step Solution
- Step 1: Write the proportion equation
5,955,949.30 : 8,218,542.09 = 3,508,400.98 : x - Step 2: Convert to fraction form
5,955,949.30/8,218,542.09 = 3,508,400.98/x - Step 3: Cross multiply
5,955,949.30x = 8,218,542.09 × 3,508,400.98 - Step 4: Simplify right side
5,955,949.30x = 28,833,941,122,727.25 - Step 5: Solve for x
x = 28,833,941,122,727.25/5,955,949.30 - Step 6: Final answer
x = 4,841,199.89
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1.5x scale
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.