Finding the Fourth Proportional to 2,403,711.88, 3,317,161.58 and 1,315,965.20
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Solution
The fourth proportional to 2,403,711.88, 3,317,161.58 and 1,315,965.20 is: 1,816,053.43
Step by Step Solution
- Step 1: Write the proportion equation
2,403,711.88 : 3,317,161.58 = 1,315,965.20 : x - Step 2: Convert to fraction form
2,403,711.88/3,317,161.58 = 1,315,965.20/x - Step 3: Cross multiply
2,403,711.88x = 3,317,161.58 × 1,315,965.20 - Step 4: Simplify right side
2,403,711.88x = 4,365,269,202,057.02 - Step 5: Solve for x
x = 4,365,269,202,057.02/2,403,711.88 - Step 6: Final answer
x = 1,816,053.43
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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.