Finding the Fourth Proportional to 2,709,858.24, 3,738,998.63 and 1,547,933.09
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Solution
The fourth proportional to 2,709,858.24, 3,738,998.63 and 1,547,933.09 is: 2,135,801.64
Step by Step Solution
- Step 1: Write the proportion equation
2,709,858.24 : 3,738,998.63 = 1,547,933.09 : x - Step 2: Convert to fraction form
2,709,858.24/3,738,998.63 = 1,547,933.09/x - Step 3: Cross multiply
2,709,858.24x = 3,738,998.63 × 1,547,933.09 - Step 4: Simplify right side
2,709,858.24x = 5,787,719,679,309.38 - Step 5: Solve for x
x = 5,787,719,679,309.38/2,709,858.24 - Step 6: Final answer
x = 2,135,801.64
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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.