Finding the Fourth Proportional to 4,953,795.90, 6,833,334.92 and 3,115,338.09
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Solution
The fourth proportional to 4,953,795.90, 6,833,334.92 and 3,115,338.09 is: 4,297,340.66
Step by Step Solution
- Step 1: Write the proportion equation
4,953,795.90 : 6,833,334.92 = 3,115,338.09 : x - Step 2: Convert to fraction form
4,953,795.90/6,833,334.92 = 3,115,338.09/x - Step 3: Cross multiply
4,953,795.90x = 6,833,334.92 × 3,115,338.09 - Step 4: Simplify right side
4,953,795.90x = 21,288,148,558,003.10 - Step 5: Solve for x
x = 21,288,148,558,003.10/4,953,795.90 - Step 6: Final answer
x = 4,297,340.66
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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.