Finding the Fourth Proportional to 3,398,945.28, 4,690,604.16 and 1,850,251.48
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Solution
The fourth proportional to 3,398,945.28, 4,690,604.16 and 1,850,251.48 is: 2,553,379.53
Step by Step Solution
- Step 1: Write the proportion equation
3,398,945.28 : 4,690,604.16 = 1,850,251.48 : x - Step 2: Convert to fraction form
3,398,945.28/4,690,604.16 = 1,850,251.48/x - Step 3: Cross multiply
3,398,945.28x = 4,690,604.16 × 1,850,251.48 - Step 4: Simplify right side
3,398,945.28x = 8,678,797,289,134.16 - Step 5: Solve for x
x = 8,678,797,289,134.16/3,398,945.28 - Step 6: Final answer
x = 2,553,379.53
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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.