Finding the Fourth Proportional to 3,167,891.84, 4,749,738.76 and 1,145,869.68
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Solution
The fourth proportional to 3,167,891.84, 4,749,738.76 and 1,145,869.68 is: 1,718,045.28
Step by Step Solution
- Step 1: Write the proportion equation
3,167,891.84 : 4,749,738.76 = 1,145,869.68 : x - Step 2: Convert to fraction form
3,167,891.84/4,749,738.76 = 1,145,869.68/x - Step 3: Cross multiply
3,167,891.84x = 4,749,738.76 × 1,145,869.68 - Step 4: Simplify right side
3,167,891.84x = 5,442,581,633,004.80 - Step 5: Solve for x
x = 5,442,581,633,004.80/3,167,891.84 - Step 6: Final answer
x = 1,718,045.28
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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.