Finding the Fourth Proportional to 3,257,085.96, 4,497,108.12 and 2,171,916
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Solution
The fourth proportional to 3,257,085.96, 4,497,108.12 and 2,171,916 is: 2,998,797.45
Step by Step Solution
- Step 1: Write the proportion equation
3,257,085.96 : 4,497,108.12 = 2,171,916 : x - Step 2: Convert to fraction form
3,257,085.96/4,497,108.12 = 2,171,916/x - Step 3: Cross multiply
3,257,085.96x = 4,497,108.12 × 2,171,916 - Step 4: Simplify right side
3,257,085.96x = 9,767,341,079,557.92 - Step 5: Solve for x
x = 9,767,341,079,557.92/3,257,085.96 - Step 6: Final answer
x = 2,998,797.45
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1.5x scale
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.