Finding the Fourth Proportional to 5,618,337.48, 7,753,249.80 and 3,039,961.68
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Solution
The fourth proportional to 5,618,337.48, 7,753,249.80 and 3,039,961.68 is: 4,195,116.86
Step by Step Solution
- Step 1: Write the proportion equation
5,618,337.48 : 7,753,249.80 = 3,039,961.68 : x - Step 2: Convert to fraction form
5,618,337.48/7,753,249.80 = 3,039,961.68/x - Step 3: Cross multiply
5,618,337.48x = 7,753,249.80 × 3,039,961.68 - Step 4: Simplify right side
5,618,337.48x = 23,569,582,287,467.66 - Step 5: Solve for x
x = 23,569,582,287,467.66/5,618,337.48 - Step 6: Final answer
x = 4,195,116.86
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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.