Finding the Fourth Proportional to 2,194,303.11, 3,026,918.90 and 1,276,428.99
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Solution
The fourth proportional to 2,194,303.11, 3,026,918.90 and 1,276,428.99 is: 1,760,762.68
Step by Step Solution
- Step 1: Write the proportion equation
2,194,303.11 : 3,026,918.90 = 1,276,428.99 : x - Step 2: Convert to fraction form
2,194,303.11/3,026,918.90 = 1,276,428.99/x - Step 3: Cross multiply
2,194,303.11x = 3,026,918.90 × 1,276,428.99 - Step 4: Simplify right side
2,194,303.11x = 3,863,647,027,956.77 - Step 5: Solve for x
x = 3,863,647,027,956.77/2,194,303.11 - Step 6: Final answer
x = 1,760,762.68
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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.