Finding the Fourth Proportional to 2,619,738.36, 3,924,932.63 and 1,420,895.97
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Solution
The fourth proportional to 2,619,738.36, 3,924,932.63 and 1,420,895.97 is: 2,128,808.37
Step by Step Solution
- Step 1: Write the proportion equation
2,619,738.36 : 3,924,932.63 = 1,420,895.97 : x - Step 2: Convert to fraction form
2,619,738.36/3,924,932.63 = 1,420,895.97/x - Step 3: Cross multiply
2,619,738.36x = 3,924,932.63 × 1,420,895.97 - Step 4: Simplify right side
2,619,738.36x = 5,576,920,949,384.02 - Step 5: Solve for x
x = 5,576,920,949,384.02/2,619,738.36 - Step 6: Final answer
x = 2,128,808.37
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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.