Finding the Fourth Proportional to 3,972,443.02, 5,481,526.09 and 2,340,744.19
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Solution
The fourth proportional to 3,972,443.02, 5,481,526.09 and 2,340,744.19 is: 3,229,964.60
Step by Step Solution
- Step 1: Write the proportion equation
3,972,443.02 : 5,481,526.09 = 2,340,744.19 : x - Step 2: Convert to fraction form
3,972,443.02/5,481,526.09 = 2,340,744.19/x - Step 3: Cross multiply
3,972,443.02x = 5,481,526.09 × 2,340,744.19 - Step 4: Simplify right side
3,972,443.02x = 12,830,850,308,389.57 - Step 5: Solve for x
x = 12,830,850,308,389.57/3,972,443.02 - Step 6: Final answer
x = 3,229,964.60
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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.