Finding the Fourth Proportional to 4,909,791.51, 6,775,026.71 and 2,734,536.92
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Solution
The fourth proportional to 4,909,791.51, 6,775,026.71 and 2,734,536.92 is: 3,773,390.50
Step by Step Solution
- Step 1: Write the proportion equation
4,909,791.51 : 6,775,026.71 = 2,734,536.92 : x - Step 2: Convert to fraction form
4,909,791.51/6,775,026.71 = 2,734,536.92/x - Step 3: Cross multiply
4,909,791.51x = 6,775,026.71 × 2,734,536.92 - Step 4: Simplify right side
4,909,791.51x = 18,526,560,624,933.32 - Step 5: Solve for x
x = 18,526,560,624,933.32/4,909,791.51 - Step 6: Final answer
x = 3,773,390.50
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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.