Finding the Fourth Proportional to 1,231,835.18, 1,847,757.12 and 378,901.08
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Solution
The fourth proportional to 1,231,835.18, 1,847,757.12 and 378,901.08 is: 568,352.96
Step by Step Solution
- Step 1: Write the proportion equation
1,231,835.18 : 1,847,757.12 = 378,901.08 : x - Step 2: Convert to fraction form
1,231,835.18/1,847,757.12 = 378,901.08/x - Step 3: Cross multiply
1,231,835.18x = 1,847,757.12 × 378,901.08 - Step 4: Simplify right side
1,231,835.18x = 700,117,168,345.69 - Step 5: Solve for x
x = 700,117,168,345.69/1,231,835.18 - Step 6: Final answer
x = 568,352.96
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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.