Finding the Fourth Proportional to 5,578,777.06, 8,364,914.08 and 2,163,073.25
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Solution
The fourth proportional to 5,578,777.06, 8,364,914.08 and 2,163,073.25 is: 3,243,349.16
Step by Step Solution
- Step 1: Write the proportion equation
5,578,777.06 : 8,364,914.08 = 2,163,073.25 : x - Step 2: Convert to fraction form
5,578,777.06/8,364,914.08 = 2,163,073.25/x - Step 3: Cross multiply
5,578,777.06x = 8,364,914.08 × 2,163,073.25 - Step 4: Simplify right side
5,578,777.06x = 18,093,921,884,996.36 - Step 5: Solve for x
x = 18,093,921,884,996.36/5,578,777.06 - Step 6: Final answer
x = 3,243,349.16
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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.