Finding the Fourth Proportional to 3,290,137.76, 4,933,997.80 and 1,130,550.44
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Solution
The fourth proportional to 3,290,137.76, 4,933,997.80 and 1,130,550.44 is: 1,695,410.28
Step by Step Solution
- Step 1: Write the proportion equation
3,290,137.76 : 4,933,997.80 = 1,130,550.44 : x - Step 2: Convert to fraction form
3,290,137.76/4,933,997.80 = 1,130,550.44/x - Step 3: Cross multiply
3,290,137.76x = 4,933,997.80 × 1,130,550.44 - Step 4: Simplify right side
3,290,137.76x = 5,578,133,383,749.03 - Step 5: Solve for x
x = 5,578,133,383,749.03/3,290,137.76 - Step 6: Final answer
x = 1,695,410.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.