Finding the Fourth Proportional to 2,863,956.99, 3,952,402.65 and 1,776,578.85
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Solution
The fourth proportional to 2,863,956.99, 3,952,402.65 and 1,776,578.85 is: 2,451,766.90
Step by Step Solution
- Step 1: Write the proportion equation
2,863,956.99 : 3,952,402.65 = 1,776,578.85 : x - Step 2: Convert to fraction form
2,863,956.99/3,952,402.65 = 1,776,578.85/x - Step 3: Cross multiply
2,863,956.99x = 3,952,402.65 × 1,776,578.85 - Step 4: Simplify right side
2,863,956.99x = 7,021,754,954,673.95 - Step 5: Solve for x
x = 7,021,754,954,673.95/2,863,956.99 - Step 6: Final answer
x = 2,451,766.90
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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.