Finding the Fourth Proportional to 2,811,260.07, 4,216,890.14 and 681,344.18
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Solution
The fourth proportional to 2,811,260.07, 4,216,890.14 and 681,344.18 is: 1,022,016.28
Step by Step Solution
- Step 1: Write the proportion equation
2,811,260.07 : 4,216,890.14 = 681,344.18 : x - Step 2: Convert to fraction form
2,811,260.07/4,216,890.14 = 681,344.18/x - Step 3: Cross multiply
2,811,260.07x = 4,216,890.14 × 681,344.18 - Step 4: Simplify right side
2,811,260.07x = 2,873,153,561,723.89 - Step 5: Solve for x
x = 2,873,153,561,723.89/2,811,260.07 - Step 6: Final answer
x = 1,022,016.28
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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.