Finding the Fourth Proportional to 3,908,724.26, 5,394,260.92 and 2,190,398.36
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Solution
The fourth proportional to 3,908,724.26, 5,394,260.92 and 2,190,398.36 is: 3,022,873.83
Step by Step Solution
- Step 1: Write the proportion equation
3,908,724.26 : 5,394,260.92 = 2,190,398.36 : x - Step 2: Convert to fraction form
3,908,724.26/5,394,260.92 = 2,190,398.36/x - Step 3: Cross multiply
3,908,724.26x = 5,394,260.92 × 2,190,398.36 - Step 4: Simplify right side
3,908,724.26x = 11,815,580,272,580.09 - Step 5: Solve for x
x = 11,815,580,272,580.09/3,908,724.26 - Step 6: Final answer
x = 3,022,873.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.