Finding the Fourth Proportional to 5,320,601.28, 7,984,081.44 and 1,955,148.48
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Solution
The fourth proportional to 5,320,601.28, 7,984,081.44 and 1,955,148.48 is: 2,933,891.09
Step by Step Solution
- Step 1: Write the proportion equation
5,320,601.28 : 7,984,081.44 = 1,955,148.48 : x - Step 2: Convert to fraction form
5,320,601.28/7,984,081.44 = 1,955,148.48/x - Step 3: Cross multiply
5,320,601.28x = 7,984,081.44 × 1,955,148.48 - Step 4: Simplify right side
5,320,601.28x = 15,610,064,691,612.21 - Step 5: Solve for x
x = 15,610,064,691,612.21/5,320,601.28 - Step 6: Final answer
x = 2,933,891.09
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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.