Finding the Fourth Proportional to 3,174,217.84, 4,381,118.12 and 2,086,589.92
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Solution
The fourth proportional to 3,174,217.84, 4,381,118.12 and 2,086,589.92 is: 2,879,952.60
Step by Step Solution
- Step 1: Write the proportion equation
3,174,217.84 : 4,381,118.12 = 2,086,589.92 : x - Step 2: Convert to fraction form
3,174,217.84/4,381,118.12 = 2,086,589.92/x - Step 3: Cross multiply
3,174,217.84x = 4,381,118.12 × 2,086,589.92 - Step 4: Simplify right side
3,174,217.84x = 9,141,596,907,521.35 - Step 5: Solve for x
x = 9,141,596,907,521.35/3,174,217.84 - Step 6: Final answer
x = 2,879,952.60
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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.