Finding the Fourth Proportional to 3,071,856.99, 4,609,842.27 and 1,274,742.18
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Solution
The fourth proportional to 3,071,856.99, 4,609,842.27 and 1,274,742.18 is: 1,912,966.78
Step by Step Solution
- Step 1: Write the proportion equation
3,071,856.99 : 4,609,842.27 = 1,274,742.18 : x - Step 2: Convert to fraction form
3,071,856.99/4,609,842.27 = 1,274,742.18/x - Step 3: Cross multiply
3,071,856.99x = 4,609,842.27 × 1,274,742.18 - Step 4: Simplify right side
3,071,856.99x = 5,876,360,384,715.95 - Step 5: Solve for x
x = 5,876,360,384,715.95/3,071,856.99 - Step 6: Final answer
x = 1,912,966.78
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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.