Finding the Fourth Proportional to 2,904,181.08, 4,349,294.94 and 1,621,636.80
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Solution
The fourth proportional to 2,904,181.08, 4,349,294.94 and 1,621,636.80 is: 2,428,559.56
Step by Step Solution
- Step 1: Write the proportion equation
2,904,181.08 : 4,349,294.94 = 1,621,636.80 : x - Step 2: Convert to fraction form
2,904,181.08/4,349,294.94 = 1,621,636.80/x - Step 3: Cross multiply
2,904,181.08x = 4,349,294.94 × 1,621,636.80 - Step 4: Simplify right side
2,904,181.08x = 7,052,976,728,757.79 - Step 5: Solve for x
x = 7,052,976,728,757.79/2,904,181.08 - Step 6: Final answer
x = 2,428,559.56
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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.