Finding the Fourth Proportional to 6,071,628.11, 8,378,832.68 and 3,458,131.68
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Solution
The fourth proportional to 6,071,628.11, 8,378,832.68 and 3,458,131.68 is: 4,772,213.69
Step by Step Solution
- Step 1: Write the proportion equation
6,071,628.11 : 8,378,832.68 = 3,458,131.68 : x - Step 2: Convert to fraction form
6,071,628.11/8,378,832.68 = 3,458,131.68/x - Step 3: Cross multiply
6,071,628.11x = 8,378,832.68 × 3,458,131.68 - Step 4: Simplify right side
6,071,628.11x = 28,975,106,759,225.26 - Step 5: Solve for x
x = 28,975,106,759,225.26/6,071,628.11 - Step 6: Final answer
x = 4,772,213.69
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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.