Finding the Fourth Proportional to 4,138,350.24, 5,707,688.04 and 2,688,512.82
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Solution
The fourth proportional to 4,138,350.24, 5,707,688.04 and 2,688,512.82 is: 3,708,045.86
Step by Step Solution
- Step 1: Write the proportion equation
4,138,350.24 : 5,707,688.04 = 2,688,512.82 : x - Step 2: Convert to fraction form
4,138,350.24/5,707,688.04 = 2,688,512.82/x - Step 3: Cross multiply
4,138,350.24x = 5,707,688.04 × 2,688,512.82 - Step 4: Simplify right side
4,138,350.24x = 15,345,192,468,100.67 - Step 5: Solve for x
x = 15,345,192,468,100.67/4,138,350.24 - Step 6: Final answer
x = 3,708,045.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.