Finding the Fourth Proportional to 3,194,403.21, 4,786,756.47 and 2,342,042.28
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Solution
The fourth proportional to 3,194,403.21, 4,786,756.47 and 2,342,042.28 is: 3,509,508.76
Step by Step Solution
- Step 1: Write the proportion equation
3,194,403.21 : 4,786,756.47 = 2,342,042.28 : x - Step 2: Convert to fraction form
3,194,403.21/4,786,756.47 = 2,342,042.28/x - Step 3: Cross multiply
3,194,403.21x = 4,786,756.47 × 2,342,042.28 - Step 4: Simplify right side
3,194,403.21x = 11,210,786,036,803.55 - Step 5: Solve for x
x = 11,210,786,036,803.55/3,194,403.21 - Step 6: Final answer
x = 3,509,508.76
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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.