Finding the Fourth Proportional to 2,811,294.17, 4,216,941.41 and 681,378.28
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Solution
The fourth proportional to 2,811,294.17, 4,216,941.41 and 681,378.28 is: 1,022,067.45
Step by Step Solution
- Step 1: Write the proportion equation
2,811,294.17 : 4,216,941.41 = 681,378.28 : x - Step 2: Convert to fraction form
2,811,294.17/4,216,941.41 = 681,378.28/x - Step 3: Cross multiply
2,811,294.17x = 4,216,941.41 × 681,378.28 - Step 4: Simplify right side
2,811,294.17x = 2,873,332,270,857.33 - Step 5: Solve for x
x = 2,873,332,270,857.33/2,811,294.17 - Step 6: Final answer
x = 1,022,067.45
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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.