Finding the Fourth Proportional to 1,754,544.90, 2,419,938.74 and 1,509,936.48
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Solution
The fourth proportional to 1,754,544.90, 2,419,938.74 and 1,509,936.48 is: 2,082,564.99
Step by Step Solution
- Step 1: Write the proportion equation
1,754,544.90 : 2,419,938.74 = 1,509,936.48 : x - Step 2: Convert to fraction form
1,754,544.90/2,419,938.74 = 1,509,936.48/x - Step 3: Cross multiply
1,754,544.90x = 2,419,938.74 × 1,509,936.48 - Step 4: Simplify right side
1,754,544.90x = 3,653,953,777,591.31 - Step 5: Solve for x
x = 3,653,953,777,591.31/1,754,544.90 - Step 6: Final answer
x = 2,082,564.99
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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.