Finding the Fourth Proportional to 1,873,914.75, 2,811,991.62 and 1,721,456.24
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Solution
The fourth proportional to 1,873,914.75, 2,811,991.62 and 1,721,456.24 is: 2,583,212.77
Step by Step Solution
- Step 1: Write the proportion equation
1,873,914.75 : 2,811,991.62 = 1,721,456.24 : x - Step 2: Convert to fraction form
1,873,914.75/2,811,991.62 = 1,721,456.24/x - Step 3: Cross multiply
1,873,914.75x = 2,811,991.62 × 1,721,456.24 - Step 4: Simplify right side
1,873,914.75x = 4,840,720,507,016.75 - Step 5: Solve for x
x = 4,840,720,507,016.75/1,873,914.75 - Step 6: Final answer
x = 2,583,212.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.