Finding the Fourth Proportional to 5,734,728.68, 7,913,864.70 and 3,156,354.09
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Solution
The fourth proportional to 5,734,728.68, 7,913,864.70 and 3,156,354.09 is: 4,355,735.14
Step by Step Solution
- Step 1: Write the proportion equation
5,734,728.68 : 7,913,864.70 = 3,156,354.09 : x - Step 2: Convert to fraction form
5,734,728.68/7,913,864.70 = 3,156,354.09/x - Step 3: Cross multiply
5,734,728.68x = 7,913,864.70 × 3,156,354.09 - Step 4: Simplify right side
5,734,728.68x = 24,978,959,213,551.62 - Step 5: Solve for x
x = 24,978,959,213,551.62/5,734,728.68 - Step 6: Final answer
x = 4,355,735.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.