Finding the Fourth Proportional to 1,660,583.68, 2,481,777.28 and 1,212,248.68
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Solution
The fourth proportional to 1,660,583.68, 2,481,777.28 and 1,212,248.68 is: 1,811,731.18
Step by Step Solution
- Step 1: Write the proportion equation
1,660,583.68 : 2,481,777.28 = 1,212,248.68 : x - Step 2: Convert to fraction form
1,660,583.68/2,481,777.28 = 1,212,248.68/x - Step 3: Cross multiply
1,660,583.68x = 2,481,777.28 × 1,212,248.68 - Step 4: Simplify right side
1,660,583.68x = 3,008,531,231,733.99 - Step 5: Solve for x
x = 3,008,531,231,733.99/1,660,583.68 - Step 6: Final answer
x = 1,811,731.18
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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.