Finding the Fourth Proportional to 1,660,655.48, 2,481,884.25 and 1,212,320.44
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Solution
The fourth proportional to 1,660,655.48, 2,481,884.25 and 1,212,320.44 is: 1,811,838.18
Step by Step Solution
- Step 1: Write the proportion equation
1,660,655.48 : 2,481,884.25 = 1,212,320.44 : x - Step 2: Convert to fraction form
1,660,655.48/2,481,884.25 = 1,212,320.44/x - Step 3: Cross multiply
1,660,655.48x = 2,481,884.25 × 1,212,320.44 - Step 4: Simplify right side
1,660,655.48x = 3,008,839,005,989.07 - Step 5: Solve for x
x = 3,008,839,005,989.07/1,660,655.48 - Step 6: Final answer
x = 1,811,838.18
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.