Finding the Fourth Proportional to 4,112,533.80, 5,675,473.97 and 2,276,992.03
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Solution
The fourth proportional to 4,112,533.80, 5,675,473.97 and 2,276,992.03 is: 3,142,347.18
Step by Step Solution
- Step 1: Write the proportion equation
4,112,533.80 : 5,675,473.97 = 2,276,992.03 : x - Step 2: Convert to fraction form
4,112,533.80/5,675,473.97 = 2,276,992.03/x - Step 3: Cross multiply
4,112,533.80x = 5,675,473.97 × 2,276,992.03 - Step 4: Simplify right side
4,112,533.80x = 12,923,008,989,769.05 - Step 5: Solve for x
x = 12,923,008,989,769.05/4,112,533.80 - Step 6: Final answer
x = 3,142,347.18
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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.