Finding the Fourth Proportional to 2,281,649.09, 3,417,553.39 and 2,147,501.75
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Solution
The fourth proportional to 2,281,649.09, 3,417,553.39 and 2,147,501.75 is: 3,216,621.66
Step by Step Solution
- Step 1: Write the proportion equation
2,281,649.09 : 3,417,553.39 = 2,147,501.75 : x - Step 2: Convert to fraction form
2,281,649.09/3,417,553.39 = 2,147,501.75/x - Step 3: Cross multiply
2,281,649.09x = 3,417,553.39 × 2,147,501.75 - Step 4: Simplify right side
2,281,649.09x = 7,339,201,888,918.56 - Step 5: Solve for x
x = 7,339,201,888,918.56/2,281,649.09 - Step 6: Final answer
x = 3,216,621.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.