Finding the Fourth Proportional to 4,276,035.21, 5,898,691.36 and 2,643,920.85
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Solution
The fourth proportional to 4,276,035.21, 5,898,691.36 and 2,643,920.85 is: 3,647,227.47
Step by Step Solution
- Step 1: Write the proportion equation
4,276,035.21 : 5,898,691.36 = 2,643,920.85 : x - Step 2: Convert to fraction form
4,276,035.21/5,898,691.36 = 2,643,920.85/x - Step 3: Cross multiply
4,276,035.21x = 5,898,691.36 × 2,643,920.85 - Step 4: Simplify right side
4,276,035.21x = 15,595,673,074,418.86 - Step 5: Solve for x
x = 15,595,673,074,418.86/4,276,035.21 - Step 6: Final answer
x = 3,647,227.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.