Finding the Fourth Proportional to 4,884,171.13, 6,740,559.66 and 2,709,415.45
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Solution
The fourth proportional to 4,884,171.13, 6,740,559.66 and 2,709,415.45 is: 3,739,217.16
Step by Step Solution
- Step 1: Write the proportion equation
4,884,171.13 : 6,740,559.66 = 2,709,415.45 : x - Step 2: Convert to fraction form
4,884,171.13/6,740,559.66 = 2,709,415.45/x - Step 3: Cross multiply
4,884,171.13x = 6,740,559.66 × 2,709,415.45 - Step 4: Simplify right side
4,884,171.13x = 18,262,976,484,450.75 - Step 5: Solve for x
x = 18,262,976,484,450.75/4,884,171.13 - Step 6: Final answer
x = 3,739,217.16
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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.