Finding the Fourth Proportional to 6,112,755.42, 8,435,574.21 and 3,499,245.09
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Solution
The fourth proportional to 6,112,755.42, 8,435,574.21 and 3,499,245.09 is: 4,828,942.04
Step by Step Solution
- Step 1: Write the proportion equation
6,112,755.42 : 8,435,574.21 = 3,499,245.09 : x - Step 2: Convert to fraction form
6,112,755.42/8,435,574.21 = 3,499,245.09/x - Step 3: Cross multiply
6,112,755.42x = 8,435,574.21 × 3,499,245.09 - Step 4: Simplify right side
6,112,755.42x = 29,518,141,635,673.13 - Step 5: Solve for x
x = 29,518,141,635,673.13/6,112,755.42 - Step 6: Final answer
x = 4,828,942.04
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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.