Finding the Fourth Proportional to 4,990,895.84, 7,486,344.48 and 1,204,378.73
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Solution
The fourth proportional to 4,990,895.84, 7,486,344.48 and 1,204,378.73 is: 1,806,568.27
Step by Step Solution
- Step 1: Write the proportion equation
4,990,895.84 : 7,486,344.48 = 1,204,378.73 : x - Step 2: Convert to fraction form
4,990,895.84/7,486,344.48 = 1,204,378.73/x - Step 3: Cross multiply
4,990,895.84x = 7,486,344.48 × 1,204,378.73 - Step 4: Simplify right side
4,990,895.84x = 9,016,394,057,164.91 - Step 5: Solve for x
x = 9,016,394,057,164.91/4,990,895.84 - Step 6: Final answer
x = 1,806,568.27
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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.