Finding the Fourth Proportional to 3,403,552.20, 4,697,134.38 and 2,079,542.81
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Solution
The fourth proportional to 3,403,552.20, 4,697,134.38 and 2,079,542.81 is: 2,869,911.03
Step by Step Solution
- Step 1: Write the proportion equation
3,403,552.20 : 4,697,134.38 = 2,079,542.81 : x - Step 2: Convert to fraction form
3,403,552.20/4,697,134.38 = 2,079,542.81/x - Step 3: Cross multiply
3,403,552.20x = 4,697,134.38 × 2,079,542.81 - Step 4: Simplify right side
3,403,552.20x = 9,767,891,993,649.42 - Step 5: Solve for x
x = 9,767,891,993,649.42/3,403,552.20 - Step 6: Final answer
x = 2,869,911.03
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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.