Finding the Fourth Proportional to 2,574,338.09, 3,862,131.44 and 777,114.20
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Solution
The fourth proportional to 2,574,338.09, 3,862,131.44 and 777,114.20 is: 1,165,859.76
Step by Step Solution
- Step 1: Write the proportion equation
2,574,338.09 : 3,862,131.44 = 777,114.20 : x - Step 2: Convert to fraction form
2,574,338.09/3,862,131.44 = 777,114.20/x - Step 3: Cross multiply
2,574,338.09x = 3,862,131.44 × 777,114.20 - Step 4: Simplify right side
2,574,338.09x = 3,001,317,190,060.21 - Step 5: Solve for x
x = 3,001,317,190,060.21/2,574,338.09 - Step 6: Final answer
x = 1,165,859.76
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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.