Finding the Fourth Proportional to 1,906,518.48, 2,859,775.20 and 486,574.68
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Solution
The fourth proportional to 1,906,518.48, 2,859,775.20 and 486,574.68 is: 729,861.38
Step by Step Solution
- Step 1: Write the proportion equation
1,906,518.48 : 2,859,775.20 = 486,574.68 : x - Step 2: Convert to fraction form
1,906,518.48/2,859,775.20 = 486,574.68/x - Step 3: Cross multiply
1,906,518.48x = 2,859,775.20 × 486,574.68 - Step 4: Simplify right side
1,906,518.48x = 1,391,494,202,811.94 - Step 5: Solve for x
x = 1,391,494,202,811.94/1,906,518.48 - Step 6: Final answer
x = 729,861.38
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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.