Finding the Fourth Proportional to 1,384,939.24, 2,077,678.14 and 531,948.18
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Solution
The fourth proportional to 1,384,939.24, 2,077,678.14 and 531,948.18 is: 798,025.70
Step by Step Solution
- Step 1: Write the proportion equation
1,384,939.24 : 2,077,678.14 = 531,948.18 : x - Step 2: Convert to fraction form
1,384,939.24/2,077,678.14 = 531,948.18/x - Step 3: Cross multiply
1,384,939.24x = 2,077,678.14 × 531,948.18 - Step 4: Simplify right side
1,384,939.24x = 1,105,217,105,198.79 - Step 5: Solve for x
x = 1,105,217,105,198.79/1,384,939.24 - Step 6: Final answer
x = 798,025.70
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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.