Finding the Fourth Proportional to 5,201,836.48, 7,178,544.88 and 2,910,035.44
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Solution
The fourth proportional to 5,201,836.48, 7,178,544.88 and 2,910,035.44 is: 4,015,854.80
Step by Step Solution
- Step 1: Write the proportion equation
5,201,836.48 : 7,178,544.88 = 2,910,035.44 : x - Step 2: Convert to fraction form
5,201,836.48/7,178,544.88 = 2,910,035.44/x - Step 3: Cross multiply
5,201,836.48x = 7,178,544.88 × 2,910,035.44 - Step 4: Simplify right side
5,201,836.48x = 20,889,820,008,430.55 - Step 5: Solve for x
x = 20,889,820,008,430.55/5,201,836.48 - Step 6: Final answer
x = 4,015,854.80
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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.