Finding the Fourth Proportional to 1,210,977.75, 1,816,722.99 and 357,982.14
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Solution
The fourth proportional to 1,210,977.75, 1,816,722.99 and 357,982.14 is: 537,049.00
Step by Step Solution
- Step 1: Write the proportion equation
1,210,977.75 : 1,816,722.99 = 357,982.14 : x - Step 2: Convert to fraction form
1,210,977.75/1,816,722.99 = 357,982.14/x - Step 3: Cross multiply
1,210,977.75x = 1,816,722.99 × 357,982.14 - Step 4: Simplify right side
1,210,977.75x = 650,354,383,747.40 - Step 5: Solve for x
x = 650,354,383,747.40/1,210,977.75 - Step 6: Final answer
x = 537,049.00
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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.