Finding the Fourth Proportional to 3,972,509.60, 5,961,874.80 and 1,842,857.60
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Solution
The fourth proportional to 3,972,509.60, 5,961,874.80 and 1,842,857.60 is: 2,765,729.32
Step by Step Solution
- Step 1: Write the proportion equation
3,972,509.60 : 5,961,874.80 = 1,842,857.60 : x - Step 2: Convert to fraction form
3,972,509.60/5,961,874.80 = 1,842,857.60/x - Step 3: Cross multiply
3,972,509.60x = 5,961,874.80 × 1,842,857.60 - Step 4: Simplify right side
3,972,509.60x = 10,986,886,285,428.48 - Step 5: Solve for x
x = 10,986,886,285,428.48/3,972,509.60 - Step 6: Final answer
x = 2,765,729.32
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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.