Finding the Fourth Proportional to 5,394,437.91, 7,444,470.42 and 3,220,242.96
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Solution
The fourth proportional to 5,394,437.91, 7,444,470.42 and 3,220,242.96 is: 4,444,022.50
Step by Step Solution
- Step 1: Write the proportion equation
5,394,437.91 : 7,444,470.42 = 3,220,242.96 : x - Step 2: Convert to fraction form
5,394,437.91/7,444,470.42 = 3,220,242.96/x - Step 3: Cross multiply
5,394,437.91x = 7,444,470.42 × 3,220,242.96 - Step 4: Simplify right side
5,394,437.91x = 23,973,003,460,933.24 - Step 5: Solve for x
x = 23,973,003,460,933.24/5,394,437.91 - Step 6: Final answer
x = 4,444,022.50
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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.