Finding the Fourth Proportional to 5,547,207.40, 8,320,811.10 and 1,760,986.60
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Solution
The fourth proportional to 5,547,207.40, 8,320,811.10 and 1,760,986.60 is: 2,641,479.90
Step by Step Solution
- Step 1: Write the proportion equation
5,547,207.40 : 8,320,811.10 = 1,760,986.60 : x - Step 2: Convert to fraction form
5,547,207.40/8,320,811.10 = 1,760,986.60/x - Step 3: Cross multiply
5,547,207.40x = 8,320,811.10 × 1,760,986.60 - Step 4: Simplify right side
5,547,207.40x = 14,652,836,848,231.26 - Step 5: Solve for x
x = 14,652,836,848,231.26/5,547,207.40 - Step 6: Final answer
x = 2,641,479.90
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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.