Finding the Fourth Proportional to 1,901,816.87, 2,624,473.46 and 1,127,968.79
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Solution
The fourth proportional to 1,901,816.87, 2,624,473.46 and 1,127,968.79 is: 1,556,576.87
Step by Step Solution
- Step 1: Write the proportion equation
1,901,816.87 : 2,624,473.46 = 1,127,968.79 : x - Step 2: Convert to fraction form
1,901,816.87/2,624,473.46 = 1,127,968.79/x - Step 3: Cross multiply
1,901,816.87x = 2,624,473.46 × 1,127,968.79 - Step 4: Simplify right side
1,901,816.87x = 2,960,324,147,423.47 - Step 5: Solve for x
x = 2,960,324,147,423.47/1,901,816.87 - Step 6: Final answer
x = 1,556,576.87
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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.