Finding the Fourth Proportional to 4,228,975.12, 5,835,991.44 and 2,295,235.73
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Solution
The fourth proportional to 4,228,975.12, 5,835,991.44 and 2,295,235.73 is: 3,167,428.44
Step by Step Solution
- Step 1: Write the proportion equation
4,228,975.12 : 5,835,991.44 = 2,295,235.73 : x - Step 2: Convert to fraction form
4,228,975.12/5,835,991.44 = 2,295,235.73/x - Step 3: Cross multiply
4,228,975.12x = 5,835,991.44 × 2,295,235.73 - Step 4: Simplify right side
4,228,975.12x = 13,394,976,073,062.15 - Step 5: Solve for x
x = 13,394,976,073,062.15/4,228,975.12 - Step 6: Final answer
x = 3,167,428.44
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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.