Finding the Fourth Proportional to 4,884,161.85, 6,740,557.43 and 2,709,405.63
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Solution
The fourth proportional to 4,884,161.85, 6,740,557.43 and 2,709,405.63 is: 3,739,209.47
Step by Step Solution
- Step 1: Write the proportion equation
4,884,161.85 : 6,740,557.43 = 2,709,405.63 : x - Step 2: Convert to fraction form
4,884,161.85/6,740,557.43 = 2,709,405.63/x - Step 3: Cross multiply
4,884,161.85x = 6,740,557.43 × 2,709,405.63 - Step 4: Simplify right side
4,884,161.85x = 18,262,904,236,633.30 - Step 5: Solve for x
x = 18,262,904,236,633.30/4,884,161.85 - Step 6: Final answer
x = 3,739,209.47
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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.